Education
Professional Career
Visiting Appointments
Research Interests
Awards
Grants
PhD Theses Directed
Postdoctoral Fellows
Professional Activities
Publications
Education
Professional Career
Visiting Appointments
  • 1976, January-March, Applied Mathematics Dept., Liege University, Belgium, Visiting Assistant Professor
  • Summer 1984-1991, Scuola Normale Superiore, Pisa, Italy, CNRS Fellow and Visiting Professor
  • 1986, 1991 August, Int. Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria, Visiting Professor
  • 1984, 1990, 1991, 1992 July, Department of Mathematics, University of Bologna, Bologna, Italy, Visiting Professor
  • 1992 Oct.-Dec. (sabbatical leave), Department of Mathematics, University of Trento, Italy, Visiting Professor
  • 1992, Nov. 1-30 (sabbatical leave), IMA Institute for Mathematics with Applications, University of Minnesota, Minneapolis, IMA Fellow
  • 1993, University of Jyväskylä, Finland. Series of lectures, Visiting Professor.
  • 1994, June-July, Instituto di Calcolo Scientifico (IAQ "Al Picone" Rome, Italy. CNRS Fellow.
  • 1995, March, IMA Institute for Mathematics and Applications, University of Minnesota, Minneapolis, IMA Fellow
  • Summer 1997, 1998, Scuola Normale Superiore, Pisa, Italy
  • 2001, July. IMA Institute for Mathematics and Applications, University of Minnesota, Minneapolis. IMA Fellow.
  • 2002, February-September. Scuola Normale Superiore, Pisa. Italy.
  • 2003, January. Mittag Leffler Institute, Stokholm (Drujholm), Sweden.
  • 2008, Fall, Scuola Normale Superiore, Pisa, Centro de Giorgi.
Research Interests: Applied Mathematics
Partial differential equations (PDE's) and related control theory
  • Nonlinear PDE's. Optimization theory. Calculus of Variations. Control Theory of PDE's.
  • Boundary stabilization, controllability problems for (linear and nonlinear) parabolic and hyperbolic PDE's. Riccati and HJ equations.
  • Mathematical control of systems arising in nonlinear PDE's. Wave propagations, nonlinear systems of dynamic elasticity, Navier Stokes equations. Noise control, structural acoustic problems, thermoelastic systems and more generally interactive structures.
  • Dynamical systems. Nonlinear dissipative PDE systems. Long time behaviour: Attractors, Inertial manifolds for PDE's.
  • Numerical analysis related to control problems governed by PDE's.
Awards
  • University of Warsaw Award, 1975, for Ph.D. dissertation
  • Polish Academy of Sciences Award, 1979, for overall scientific contributions
  • "Creativity Extension Award" by the National Science Foundation, 1987
  • Silver Core Award from International Federation for Information Processing, (IFIP) 1989
  • University Research Initiative Award from AFOSR, 1989-1992
  • Barrett Lectures- Principal Lecturer, Univ. of Tennessee, March 1997
  • IEEE Distinguished Lecturer 1999-2002
  • CMBS-NSF Conference- Principal Lecturer, Univ. of Nebraska, August 4-9, 1999
  • Distinguished Visiting Scholar, Texas Tech University, March 2000
  • Principal Lectures: Autumn School on Evolution Equations, Trento, Italy, Nov 2002.
  • Listed in IsiHighly Cited, http://isihighlycited.com
  • IEEE Fellow with the citation: For Contribution to Boundary Control Systems, since 2004
  • Appointed to International Advisory Board of the Polish Academy of Sciences, 2006
  • The Technical Achievement Award with the citation: "for outstanding contribution to nonlinear mathematical analysis and control," June 22, 2006, Budapest, Hungary, by ICNPAA - International Congress on Nonlinear Analysis and Applications
  • Appointed to the Nominating Committee for Nomination of Candidates for the 2008 (24th) Japan Prize in Science and Technology
Grants
  • National Science Foundation, Applied Mathematics, 1981-1984
  • National Science Foundation, Applied Mathematics, 1984-1987
  • Air Force Office of Scientific Research, 1984-1985
  • Air Force Office of Scientific Research, 1985-1986
  • Air Force Office of Scientific Research, 1986-1987
  • National Science Foundation, Air Force Office of Scientific Research, and IMP Grants to sponsor International Conference at the University of Florida, February 3-6, 1986
  • National Science Foundation, 1987-1989 ("Creativity Extension Award")
  • Air Force Office of Scientific Research, 1988-1989
  • National Science Foundation, Applied Mathematics, 1989-1992
  • Research Group Award, National Science Foundation, 1989-1992
  • University Research Initiative (jointly also with A. Manitius, G. Mason University) AFOSR Office of Scientific Research, 1989-1992
  • National Science Foundation, Applied Mathematics, 1992-1995
  • National Science Foundation, International Program with France, 1993-1996
  • NSF-AMS Grant to organize AMS Summer Research Conference on Optimization and Design, July 1996
  • NATO Grant (joint with L. Pandolfi, Univ. of Torino, Italy), 1994-1997
  • NASA Grant (Virginia Consortium- support of graduate students), 1992-2000
  • National Science Foundation, Applied Mathematics, 1995-1998
  • Army Office of Scientific Research (ARO), 1996-1999
  • National Science Foundation, Applied Mathematics, 1998-2001
  • NSF and NRC International Grant COBASE, 2001-2003
  • National Science Foundation, Applied Mathematics, 2001-2006
  • Army Research Office, Applied Analysis, 2002-2007
  • National Science Foundation, International Grant with INRIA (France), 2003-2007
  • NASA grant, support of graduate students, 2004-2007
  • National Science Foundation, Applied Mathematics, 2006-2011
Ph.D. Theses Directed
[first employment noted in parenthesis]
  • Sung Chang (Assistant Professor, Mathematics Department, Dang University, Busan-Korea). Riccati Equations for Nonsymmetric and Nondissipative Hyperbolic Systems, University of Florida (December 1985).
  • Gilbert Choudoury (Assistant Professor Mathematics Department, University of Cincinnati). Fully Discrete Galerkin Approximations of Parabolic Boundary Value Problems with Nonsmooth Boundary Data, University of Florida (September 1987).
  • Elisabeth Bradley (Assistant Professor Department of Mathematics, University of Louisville, KY). Local and Global Exponential Stabilization Results for Nonlinearly Perturbed Plates Models Where Nonlinearities Appear on the Boundary, University of Virginia (May 1991).
  • Mary Ann Horn (NSF and IMA Postdoctoral Fellowship in the Department of Mathematics, University of Minnesota, Minneapolis). Exact Controllability and Uniform Stabilization of the Euler Bernoulli and Kirchoff Plate Equations with Boundary Feedback Acting via Bending Moments, University of Virginia (May 1992).
  • Daniel Tataru (Assistant Professor, Department of Mathematics, Northwestern University, Evanston Recipient of Sloan Fellowship, 1995). Co-advised with R. Triggiani. A Priori Pseudoconvexity Energy Estimates in Domains with Boundary and Exact Boundary Controllability for Conservative PDE, University of Virginia (May 1992).
  • Erik Hendrickson (Assistant Professor, Dept. of Mathematics, Arkansas University and NRC Fellowship at Wright Patterson AFOSR Lab, Dayton, Ohio). Approximation Theory for Compensator Design for Partially Observed Hyperbolic Systems, University of Virginia (May 1995).
  • George Avalos (Assistant Professor, Dept. of Mathematics, Texas Tech University and NSF-IMA Postdoc at the IMA Institute at the University of Minnesota). An Analysis and Regulator Theory For the Active Control of a System of PDE's Arising in Smart Structures and Materials, University of Virginia (May 1995).
  • Richard Marchand (NRC Postdoctoral Fellowship in the Army Research Laboratory, AMSRL-WT-PD, Aberdeen, MD). Approximations of Control Problems Arising in Dynamics of Shells, University of Virginia (1996).
  • John Ong (Assistant Prof, Mary Baldwin College). Global Existence, Uniqueness and Stability of a Quasilinear Hyperbolic Equation with Boundary Dissipation, University of Virginia (December 1997).
  • Guancgao Ji (Postdoc Fellow at Mittag Leffler Institut, Stokholm and Assistant Visiting Prof. Math Dept Texas Tech, Lubbock). Boundary Stabilizations of PDE's--Theory and Algorithms, University of Virginia (1998).
  • William Heyman (Lockheed-Martin Research Corp., Philadelphia, PA), Finite Dimensional Attractors in Nonlinear Elasticity, University of Virginia.
  • James Masters (CYCORP-Artificial Intelligence Software Corp, Austin-TX). Exact Boundary Controllability and Uniform Stabilization of Selenoidal Electromagnetic Fields in a Bounded Region Without Geometric Conditions, University of Virginia (December 1999).
  • Catherine Lebiedzik (NSF Postdoctoral Fellowship, Univ L. Da Vinci, Paris). Stability Properties of Acoustic Models with Thermoelasticity, University of Virginia (May 2001).
  • Cavit Hafizoglu (SunTrust, Atlanta, GA Linear Quadratic Boundary/Point Control of Stochastic PDEs with Unbounded Coefficients, University of Virginia (August 2006).
  • Daniel Toundykov (Postdoctoral Fellow at the University of Nebraska, Lincoln) Long-term dynamics of a semilinear wave equation with localized nonlinear dissipation, critical source term, and mixed boundary conditions, University of Virginia (May 2007).
  • Amjad Tuffaha (Postdoctoral Fellow at the University of Southern California (USC), Los Angeles, CA) Well-posedness and optimal control of coupled partial differential equations with an interface, University of Virginia (May 2007).
  • Inger Daniels (Postdoctoral position at CMU, Carnegie Mellon, Pittsburgh), Wellposedness of a nonlinear structural acoustic model with a Boussinesq plate equation, University of Virginia, May 2008.
  • Lorena Bociu (NSF International Research Fellowship with Institute Analyse Nonlineaire-CNRS University of Nice-Sophie Antipolis, France (two years) and three-year Postoctoral Fellow at the University of Nebraska), Existence, uniqueness, and blow-up of solutions to wave equations with supercritical boundary interior sources and damping, University of Virginia, May 2008.
Postdoctoral Fellows

  • J. Korbicz (Poland), 1991
  • S. K. Chang (Korea), 1996
  • S. Shuping (China), 1988
  • P. F. Yao (China), 1996-1998
  • J. Cagnol (France), 1999
  • F. Bucci, (Italy), 2001
  • A. Ruzimaikina (Purdue University), 1999-2002
  • Il Hyo Jung (Pusan University, Korea), 2005-2006


Professional Activities Editorships
  • Associate Editor, SIAM Journal on Control and Optimization, 1982-1994
  • Associate Editor, Applied Mathematics and Optimization, Springer-Verlag, since 1984
  • Associate Editor, International Journal of Mathematics and Mathematical Sciences, since 1985
  • Associate Editor, Computational Optimization and Applications (Kluwer), since 1991
  • Associate Editor, Archives of Control Sciences, since 1992
  • Associate Editor, Applied Mathematics and Computer Science since 1992
  • Associate Editor, Discrete and Continuous Dynamic Systems, since 1994
  • Associate Editor, Dynamics of Continuous, Discrete and Impulsive Systems, since 1994
  • Associate Editor, Abstract and Applied Analysis, since 1995
  • Associate Editor, Transactions on Automatic Control, 1993-2001 Editor in Large since 2001
  • Associate Editor, Journal Mathematical Analysis and Applications, since 1998
  • Associate Editor, Systems and Control Letters, since 1998
  • Associate Editor, Automatica , 1998-2003
  • Associate Editor, Nonlinear Analysis , since 2001
  • Associate Editor, Applicable Analysis , since 2002
  • Associate Editor, Nonlinear Studies , since 2002
  • Associate Editor, Control and Cybernetics, since 2005
  • Associate Editor, International Journal of Computer Sciences and Mathematics, since 2006
  • Set Value and Variational Analysis, Springer, since 2008
  • Abstract Analysis (electronic journal), since 2008
  • Editor of Conference Proceedings Series: Computational Techniques in Distributed System, IFIP WG7.2-Springer-Verlag, 1987-1992
  • Editor of Special Volume, New Developments in Control of PDEs, Applied Mathematics and Optimization, Springer Verlag, 2008
  • Member of Editorial Advisory Board, Modern Mechanics and Mathematics, Springer, since 2003

Offices held
  • Chair of TC7 Committee On Modelling and Optimization, International Federation for Information Processing (IFIP) with headquarters based in Geneva, Switzerland, since 2001
  • Chair of the Working Group WG.7.2, TC7 IFIP: Computational Techniques in Distributed Systems, since 1989
  • National Science Foundation: Member of PYI (Principal Young Investigator's Program) Panels, Member of Special Panel on Perspectives and Trends in Control Theory, 1988, PDE panels, CBMS (Conference Board of Mathematical Sciences) Panel, 2003,2004.
  • Member of the Nominating Committee for the Kyoto Prize, The Innamori Foundation, 1996, 1999, 2003
  • US Representative in IFIP, since 1996
  • IFIP Representative to FOCUS - Federation on Computing in the United States, 1996-2000
  • ISAACS (International Society for Analysis, Applications and Computations) Board of Directors, since 1997
  • ACM's Representative to IFIP, 2000-2003
  • AMS Southeastern Section Program Committee, 1999-2001
  • International Advisory Board, Polish Academy of Sciences
  • Nominating Committee for 2008 Japan Prize, by The Science and Technology Foundation of Japan (JSTF).
  • Member of CBMS-SIAM Panels and NSF Panels.

Member of the International Scientific Program Committee
  • International Conference on Boundary Control and Boundary Variations, IFIP sponsored conference, Universite de Nice, Nice, France, June 10-13, 1986
  • Conference on Control Problems for Systems Described by PDE's, University of Florida, Gainesville, FL, Feb. 3-6, 1986 (Chair)
  • International Conference on Control of Partial Differential Equations, IFIP sponsored conference, Santiago de Campostella, Spain, July 6-9, 1987
  • IIASA Conference on Modelling and Inverse Problems, Laxenburg, Austria, July 24-29, 1989 (Co-Chair)
  • IFIP Conference on Control and Stabilization, Clermont Ferrand, France, June 20-23, 1988
  • IFIP Conference on Optimal Control of Partial Differential Equations, Irsee, Germany, April 9-12, 1990
  • IFIP-TC7 Conference on Control Theory of Distributed Parameter Systems and Applications, Fudan University, Shanghai, China, May 6-9, 1990
  • International Conference on Boundary Control and Boundary Variations, organized by CNRS and Ecole des Mines de Paris, Sophia-Antipolis, France, October 15-17, 1990
  • 15th IFIP Conference on System Modelling and Optimization, Zurich, Switzerland, Sept 2-6, 1991
  • 16th IFIP Conference on System Modelling and Optimization, Compiegne, France July 5-9, 1993
  • International Conference on Boundary Control and Boundary Variations, Sophia Antipolis, France, June 8-12, 1992
  • IFIP Conference on Numerical Analysis and Optimization, Rabat (Morocco), Dec. 15-17, 1993
  • IFIP Workshop on Control of PDE's Santander (Spain), September 5-9, 1994 (Chair)
  • IFIP Conference on Control of PDE's, Trento (Italy), Jan. 4-9, 1993
  • IFIP Conference on Modelling and Optimization of DPS with Applications to Engineering, Warsaw (Poland), July 17-21, 1995 (Chair)
  • 17th IMP General Conference on Modeling and Optimization, Prague, July 10-14, 1995
  • SIAM Conference on Control and Systems Theory Saint Louis, Missouri, April 27-29, 1995
  • First International Conference on Nonlinear Problems in Aviation and Aerospace, Daytona Beach, May 9-11, 1996
  • 18th IFIP General Conference on Modelling and Optimization, July 1997, Detroit (co-chair)
  • Conference on Control of PDE's organized by CIRM, Luminy, France, June 16-21 1997
  • IFIP Conference on Optimal Control: Theory and Algorithms, Gainesville, FL, March 1-4, 1997
  • International Symposium on Methods and Models in Automation and Robotics, MMAR Miedzyzdroje, Poland, August 24-29, 1997
  • 19th IFIP General Conference on Modelling and Optimization, July 1999, Cambridge, England
  • International Conference honoring 90 birthday of L. S. Pontryagin, Moskov, Russia, September 1-6, 1998
  • IFIP Conference on Distributed Parameter and Stochastic Systems, Hauangzhou, China, June 19-22, 1998
  • IFIP Conference on Optimal Control of Partial Differential Equations April 20-24, 1998, Chemnitz, Germany
  • International Symposium on Methods and Models in Automation and Robotics, MMAR Miedzyzdroje, Poland, August 21-27, 1998
  • An International Conference on Distributed Systems: Optimization and Economic-Environmental Applications, (co-chair), sponsored by IIASA and IFT, Ekaterinburg, Russia, 23-26 May, 2000
  • Advances in Control of Nonlinear Distributed Parameter Systems, Texas A&M University, October 22-24, 1999
  • Optimal Control of Dynamical Systems, Oberwolfach, June 4-10, 2000
  • Third International Conference on Nonlinear Problems in Aviation and Aerospace, Daytona Beach, May 10-12, 2000
  • SIAM Control Conference, San Diego, July 2001
  • 29th IFIP General Conference on Optimization, July 2001, Trier, Germany
  • 3rd ISAAC Congress, Berlin, Germany, August 20-25, 2001
  • IMA-NSF Workshop on "Geometric Methods in Inverse and Control problems", Univ of Minnesota, Minneapolis, July 2001.
  • IFIP Conference on Control Problems in PDE's, Constanza, Romania, September, 2002.
  • 30th IFIP General Conference on Modeling and Optimization, Sophie Antipolis, France, July 2003. Chair of IPC.
  • International Conference on Distributed parameter Systems and Ecology, IAASA, Laxenburg, Austria, May 21-25, 2003. Co-chair of IPC.
  • 9th IEEE-MMAR International Conference, Miedzyzdroje, Poland, August 30-Sept 1, 2003
  • ECCOMAS 2004, 4-th European Congress on Computational Methods in Applied Science s., Jyvakyla, Finland, July 24-28, 2004 (C0-chair of IPC Committee on Optimization and Control)
  • WCNAA 2004- World Congress on Nonlinear Analysis. Orlando. June 30-July 5, 2004
  • 10th IEEE-MMAR International Conference, Miedzyzdroje, Poland, August 24-30, 2004
  • 22nd IFIP General Conference on Modeling and Optimization, Torino, Italy, July 2005 (Chair of IPC)
  • International Conference on Dynamical Systems and Differential Equations, Los Angeles, CA, June 16-19, 2004
  • 18th IFIP World Computer Congress, Toulouse, France, 22-27 August, 2004
  • Conference on Free and Moving Boundaries, Houston, TX, December 2-4, 2004
  • The 7th IASTED International Conference on Control and Applications, CA 2005, Cancun, Mexico, May 18-20, 2005, Member of IPC
  • Conference on Differential Equations and Dynamical Systems, Guelph, Canada, July 29-31, 2005
  • 11th IEEE-MMAR International Conference, Miedzyzdroje, Poland, August 27-Sept. 2, 2005
  • International Congress on Applications of Mathematics (ICAM), Santiago de Chile, Chile, March 13-17, 2006; member of the IPC Committee for Control System Theory
  • ICNPAA 2006, Mathematical Problems in Aerospace Sciences, Budapest, Hungary, June 21-23, 2006
  • The First International conference on Complex Systems and Applications, Hukhot, Mongolia, June 15-18, 2006
  • 23rd IFIP Conference on Modeling and Optimization, Krakow, Poland, July 2007, Chair of IPC Committee
  • 12th IEEE-MMAR International Conference, Miedzyzdroje, Poland, August 27-September 2, 2006. Member of the IPC.
  • 8th IASTED International Conference on Control and Applications, CA 2007, Montreal, Canada, May 30-June 1, 2007. Member of the IPC.
  • 13th IEEE-MMAR International Conference, Miedzyzdroje, Poland, August 27-September 2, 2007. Member of the IPC.
  • 5th International Conference on Differential Equations and Dynamical Systems, Edinburg, TX, December 16-18, 2006. Member of the IPC.
  • 23rd IFIP Conference on Modeling and Optimization, Krakow, Poland, July 23-27, 2007, Chair of the IPC. URL: http://ifip2007.agh.edu.pl.
  • IASTED International Conference on Control and Applications), Quebec, Canada, May 26-28, 2008. Member of the IPC.
  • 24th IFIP Conference on Modeling and Optimization, Buenos-Aires, Argentina. July 2009. Chair of the IPC.
  • 7th AIMS (American Institute of Mathematical Sciences) Conference on Dynamical Systems and Differential Equations, May 18-21, 2008. Member of the International Program Committee (IPC).
  • International Symposium on System Theory, Morocco, May 25-28, 2009. Member of the IPC.

Organizer of Special Sessions/Minisymposia/Conferences
A. Conferences
  • IFIP Conference on Control Problems for Systems Described by Partial Differential Equations and Applications, University of Florida, Gainesville, February 3-6, 1986
  • IFIP-IAASA Conference on Modeling and Inverse Problems, Laxenburg, Austria, July 14-29, 1989
  • IFIP Conference on Numerical Analysis and Optimization, Rabat, Morocco, December 15-17, 1993
  • SIAM Symposium on Industrial Problems in Control, San Diego, CA, July 22-23, 1994
  • IFIP Conference on Modeling and Optimization with Applications to Engineering, Warsaw (Poland), July 17-21, 1995
  • 18th IFIP General Conference on Modelling and Optimization, Detroit, MI, July 22-25, 1997
  • AMS - Summer Research Conference on Optimization and PDE's, June 16-20, 1996
  • IMA Workshop Geometric Methods in Inverse Problems and Control, Summer 2001
  • 21st IFIP Conference on System Modeling and Optimization, Sophia Antipolis, France, July 21-23, 2003
  • 22nd IFIP Conference on Modeling and Optimization, Torino, Italy, July 2005
  • AMS Summer Research Conference on Control of Nonlinear PDE Systems, Snowbird, Utah, July 3-8, 2005
  • 23rd IFIP Conference opn Modeling and Optimization, Krakow, Poland, July 23-27, 2007. Chair of the IPC.
  • 24th IFIP Conference on Modeling and Optimization, Buenos Aires, Argentina, July 2009.
B. Minisymposia, Special Sessions
  • 26th CDC Conference, Special Session on Control of PDE's, Los Angeles, CA, 1987
  • 24th CDC Conference, Special Session on Control of PDE's, Fort Lauderdale, FL, December 1985
  • 12th HU Conference, Special Session on Control of PDE's, Budapest, September 1985
  • 23rd CDC Conference, Special Session on Control of PDE's, Las Vegas, NV, December 1984
  • 21st CDC Conference, Special Session on Control of PDE's, Orlando, FL, December 1982
  • 13th IFIP Conference on System Modellings and Optimization - Special Session on Distributed Parameter's System, Tokyo, August-September 1987
  • 14th IFIP Conference on System Modelling and Optimization. Special Session: New Trends in Control Theory, Leipzig, Germany, July 3-7, 1989
  • 15th IFIP Conference on System Modelling and Optimization - Session: Numerical Techniques for Control Problems, Zurich, Switzerland, Sept. 2-6, 1991
  • 13th IMACS World Congress on Computation and Applied Mathematics - Special Session: Computational Techniques in Distributed Systems, Trinity College, Dublin, Ireland, July 22-26, 1991
  • ICIAM 91 - International Conference on Industrial and Applied Mathematics - Minisymposium "Boundary Control Theory for Partial Differential Equations," Washington, D.C., July 8-12, 1991
  • 15th IFIP Conference on System Modelling and Optimization - Special Sessions: Optimization and Stability Methods for Distributed Parameter Systems, and Numerical Techniques in DPS, Zurich, Sept. 2-6, 1991
  • 13th IMACS World Congress on Computation and Applied Mathematics - Special Session "Control of Distributed Parameter Systems," Dublin, Ireland, July 22-26, 1991
  • The Ulam Mathematics Conference - Special Session "Control Theory," Palm Beach, April 3-5, 1991
  • IFIP Workshop on Control of PDE's, Trento (Italy), Jan. 4-9, 1993
  • IFIP Workshop on Control of PDE's, Laredo (Spain), Sept. 5-9, 1994
  • Minisymposium on Nonlinear Problems in Control Theory, at the SIAM Conference on Control and Systems Theory, St. Louis, Missouri, April 27-29, 1995
  • ICIAM-95 - The Third International Congress on Industrial and Applied Mathematics, Hamburg, Germany, July 3-7, 1995. Minisymposium Control Problems for PDE's
  • SIAM Minisymposium on Control of Large Scale Systems, Charlotte, Oct 23-26, 1995
  • IFIP Conference on Modeling and Optimization, Warsaw, Poland, July 17-21, 1995 Session on Control of PDE's
  • 18 IFIP Conference on Modeling and Optimization, Detroit, July 21-24, 1997. Minisymposium on Nonlinear Control Problems in PDE's
  • Special Session on Control of Interactive Structures, 37 IEEE CDC Conference, Tampa, Dec 16-18, 1998
  • Special Session on Control of PDE's 19th IFIP Conference, Cambridge, England, July 16-19, 2000
  • Minisymposium on Optimization of Interactive PDEs, Conference on Dynamical Systems, Atlanta, May 18-21, 2000
  • Minisymposium on Asymptotic Behaviour of Nonlinear Shell Dynamics, IMACS Congress, Lausanne, Switzerland, August 2000
  • Special Session on "Nonlinear Wave Propagation," ISAACS Congress, Berlin, August 21-25, 2001
  • Minisymposium on "Control Theory for Interactive PDE's," SIAM Conference, San Diego, July 11-14, 2001
  • Minisymposium on "Control of PDE's" within 21st IFIP Conference on Modeling and Optimization, Sophia Antipolis, France, July 21-25, 2003
  • Minisymposium on "Control of Nonlinear PDE Systems" (co-organized with G. Avalos and F. Bucci), within 22nd IFIP Conference on Modeling and Optimization, Torino, Italy, July 17-21, 2005
  • Special session on "Asymptotic Stability and Long Time Behavior of Nonlinear PDE Dynamics," 5th ISACS Congress, Catania, Italy, July 24-29, 2005
  • Minisymposium (5 invited sessions) on "New Developments in Nonlinear PDEs," organized with G. Todorova at the AIMS Conference on Dynamical Systems and Differential Equations, Poitiers, France, June 25-28, 2006
  • Special session on "Nonlinear Evolutionary PDE Systems and their control," organized with G. Avalos at the AMS Conference, Johnson City, TN, Oct. 15-16, 2005
  • Minisymposium on Control of Partial Differential Equations, organized with G. Avalos and J. Cagnol, 23rd IFIP Conference on Modeling and Optimization, Krakow, Poland, July 23-27, 2007
  • Joint AMS-PTM Meeting, Special Session on Control and Optimization of Nonlinear PDE Systems, organized with J. Sokolowski, Warsaw, Poland, July 27-August 3, 2007
  • Special Session, AIMS 10th Conference on Dynamical Systems, Arlington, Texas, May 18-21, 2008
  • WCNA Congress of Nonlinear Analysis, Orlando, FL, July 1-5, 2008. Organizer (jointly with L. Tebou) of Special Session on Control and Nonlinear PDEs
  • Conference in Honor of L. Pontryagin, Moscow, Russia, June 7-20, 2008. Organizer of Special Session on Control Theory and Differential Games (with M. Zelikov)

Invited Presentations (1985-present)
Plenary Speaker at the Conference
  • 12th IFIP Conference on System Modelling and Optimization, Budapest, Hungary, September 2-6, 1985
  • Southeastern Atlantic Conference on Differential Equations, Georgia Institute of Technology, Atlanta, October 25-26, 1985
  • IFIP Conference on Boundary Control and Boundary Variations, Nice, France, June 10-13, 1986
  • NSF-AFOSR Conference on Control of Systems Governed by PDE's, Montreal, CA, October 5-9, 1986
  • International Conference on Control Problems for PDE's, Santiago de Compostela, Spain, July 6-9, 1987
  • Modelling, Information Processing and Control, MIPAC Conference; University of Wisconsin, Madison, May 15-18, 1988
  • Perspectives in Control Theory, Polish Academy of Sciences, Sielpia, September 19-24, 1988
  • 1990 SIAM Annual Meeting, Chicago, July 15-20, 1990
  • 10th INRIA Intern. Conference on Analysis and Optimization, Sophia Antipolis, France June 9-12,1992
  • 2nd International SIAM Conference on Mathematical and Numerical Aspects of Wave Propagation, Univ. of Delaware, June 7-10, 1993
  • The 8th Annual Three Rivers Applied Mathematics Colloquium, University of Pittsburgh, April 1-2, 1995
  • IFIP Conference on Control of PDE's, Laredo (Spain), Sept. 4-9, 1994
  • 34th CDC-IEEE Conference, New Orleans, Louisiana, Dec. 13-16, 1995
  • MTNS Conference, St. Louis, MO, June 24-28, 1996
  • 2nd Congress on Nonlinear Analysis, Athens, Greece, June, 10-17, 1996
  • Principal Lecturer, Barrett Lectures, University of Tennessee, Knoxville, April 1997
  • International Conference on Applied Analysis, Samos, Greece, July 4-9, 1996
  • ISAACS Congress 97, Delaware, June 3-7, 1997
  • Conference on Stochastic and Deterministic Control, Scuola Normale Superiore, Pisa, Italy, July 3-7, 1997
  • 98-MMAR Conference, Miedzyzdroje, Poland, August 24-27, 1998
  • First International Conference on Semigroups of Operators-in honor of R. Phillips, December 14-16, 1998, New Port Beach, CA
  • Control of Systems Governed by PDE's, Univ. of Nancy, France, March 8-12, 1999
  • Principal Lecturer at the NSF-CMIBS Conference "Mathematical Control Theory of Coupled PDE's", Univ. of Nebraska, Lincoln, August 4-10, 1999
  • Control of Nonlinear Distributed Parameter Systems, Conference in honor of 60th birthday of D. Russell, Texas A&M University, October 22-24, 1999
  • German-Polish Conference on Optimization - Methods and Applications, 14-18, September, 1999, Zagan, Poland
  • AMS Conference on Differential Geometric Methods of PDE's, Boulder, Colorado, June 27-July 1, 1999
  • Optimal Control of Dynamical Systems, June 4-10, 2000, Oberwolfach, Germany, June 4-10, 2000
  • International Conference on Dynamical Systems and Differential Equations, Atlanta, GA, May 18-21, 2000
  • International Conference on Applied Mathematics (IEEE Distinguished Lecturer), Zakopane, Sept. 19-26, 2000, Poland.
  • Second Meeting on Inverse Problems, Gragano, Italy, April 2001.
  • International Conference on Dynamics and Continuous Systems, London, Canada, Juky 27-30, 2001
  • SIAM Control Conference, July 9-13, San Diego, 2001
  • Autumn School on Semigroups and Evolutions, CNRS, Trento, Italy, Nov 2001.
  • French-German Conference on Optimization, Cottbus, Germany, September 9-13, 2002
  • Symposium on Partial Differential Equations: Igaucu, Brazil, December 17-19, 2003
  • Barett Lectures, University of Tennessee, April 28-30, 2005
  • Differential Equations and Dynamical Systems, Guelph, Canada, July 29-31, 2005
  • Conference on Differential and Difference Equations with Applications, Melbourne, FL, August 1-5, 2005
  • ICNPAA 2006 - Mathematical Problems in Engineering, Budapest, Hungary, June 21-23, 2006
  • The International Conference of Hybrid Systems and Applications, Lafayette, LA, May 22-26, 2006
  • Advances in Control Theory of Partial Differential Equations, University of Maryland, October 28-29, 2006
  • Congress on Applied Mathematics, Lima, Peru, January 9-12, 2007
  • WCNA 2008 Fifth World Congress of Nonlinear Analysts, July 2-9, 2008
  • 6th International Conference on Differential Equations and Dynamical Systems, Baltimore, May 22-25, 2008
  • 50 Years of Control Theory, Polish Academy of Sciences, Bedlewo, September 15-22, 2008
  • International Conference on Differential Equations and Topology, dedicated to 100th birthday of L. S. Pontryagin, Moscow State Univ., June 18-25, 2008

Invited Conference Speaker
  • 2nd International Conference on Control Theory for Distributed Parameter Systems and Applications, Vorau, Austria, July 9-14, 1984
  • International Conference on Theory and Applications of Differential Equations, Edinburg, TX, May 20-23, 1985
  • International Conference on Differential Equations in Banach Spaces, University of Bologna, Bologna, Italy, July 1-5, 1985
  • 24th IEEE Conference on Decision and Control (SIAM-invited paper), Fort Lauderdale, December 11-13, 1985
  • NSF-AFSOR-NASA Workshop on "Control Systems Governed by Partial Differential Equations with Applications to Large Flexible Structures" (invited panel leader), Tampa, FL, March 4-8, 1985
  • "Operator Methods of Optimal Control Problems" (Special Session), Annual Meeting of the American Mathematical Society, New Orleans, LA, January 7-11, 1986
  • Conference on Optimal Control with Partial Differential Equations, Oberwolfach, May 18-24, 1986
  • Conference on Control and Identification of Distributed Systems, Vorau, Austria, July 6-12, 1986
  • AMS Conference on Semilinear Parabolic and Hyperbolic Equations, Charlotte, NC, October 17-18, 1986
  • 5 "International Conference on Evolution Equations," Scuola Normale Superiore, Pisa, Italy, February 1987
  • Conference in Honor of A. V. Balakrishnan's Sixtieth Birthday, Washington, DC, June 16-19, 1987
  • Trends in Semigroups and Applications, International Conference, Trieste, Italy, September 28-October 3, 1987
  • Combined Midwest-Southeast Differential Equations Conference, Vanderbilt University, October 23-24, 1987
  • 26th IEEE Conference on Decision and Control, Los Angeles, CA, December 9-11, 1987
  • COMCON Workshop on Stabilization of Flexible Structures, Montpellier, France, December 11-15, 1987
  • 8th International Conference Analysis and Optimization of Systems, INRIA, Antibes, June 8-10, 1988
  • 4th International Conference on Control at Distributed Parameter Systems, Vorau, Austria, organized by the University of Graz, July 10- 16, 1988
  • IFIP Conference on Control Boundaries and Stabilization, Clermont-Fernoud, France, June 20-23, 1988
  • AMS Special Session on Control Theory, University of Kansas, Lawrence, October 28-29, 1988
  • The 27th IEEE Conference on Decision and Control, Austin, Texas, December 7-9, 1988
  • Mathematical Science Institute Conference on Applications of Microlocal Analysis, Cornell University, Ithaca, NY, Nov. 28-Dec. 3, 1988
  • SIAM Conference on Control in the 90's, San Francisco, May 17-18, 1989
  • General IFIP Conference on Modelling and Optimization, Leipzig (E. Germany), July 3-7, 1989
  • IIASA-IFIP Conference on Modelling and Inverse Problems, Laxenburg, Austria, July 24-29, 1989
  • International Conference on Differential Equations, Colorado Springs, June 7-10, 1989
  • 28th IEEE-CDC Conference, Tampa, December 13-16, 1989
  • Workshop on Control Theory, Pisa, July 16-18, 1989
  • AMS Annual Meeting, Louisville, January 17-18, 1990
  • NASA-UCLA Workshop on Computational Techniques in Identification and Control of Flexible Flight Structures, Lake Arrowhead, CA, November 2-4, 1985
  • 2nd Symposium on Optimal Design and Control of Structures, Jablonne, Poland, June 4-9 1990
  • International Conference on Optimal Control of partial Differential Equations, (organized by Univ. of Augsburg) - Irsee, Germany April 9-12, 1990
  • 4th NASA Workshop on Computational Control of Flexible Aerospace Systems, Williamsburg, July 11-13, 1990
  • NSF Conference on Mathematical Control Theory - I.I.T. Bombay, December 10-15, 1990
  • The 29th IEEE Conference on Decision and Control, Honolulu, Hawaii, December 5-7, 1990
  • NSF-CBMS Regional Conference on Nonlinear Dispersive Wave Systems, Orlando, FL March 11-15, 1991
  • AMS Special Session "Operator Methods in Control Theory" Tampa, FL, March 22-23, 1991
  • SIAM Conference ICIAM 91, Washington, DC, July 8-12, 1991
  • Meeting on "Differential Equations in Banach Spaces" Bologna, Italy, July 1-5, 1991
  • International Workshop - Conference on Evolution Equations, Control Theory and Biomathematics, Hans-sur-Lesse, Belgium, Oct. 20-26, 1991
  • NSF Workshop on Stochastic Theory and Adaptive Control, Lawrence, KS, Sept. 26-28, 1991
  • IMA Workshop on Control, Univ. of Minnesota, Nov. 9-13, 1992
  • Conference of Boundary Control and Boundary Variations, Nice, France, June 3-5, 1992
  • First World Congress of Nonlinear Analysis, Tampa, FL, Aug. 19-26, 1992
  • SIAM Conference on Control, Minneapolis, Minnesota, Sept. 17-18, 1992
  • AMS Annual 1992 Meeting, Baltimore, MD, Jan. 8-11, 1992
  • AMS Annual 1993 Meeting, San Antonio, Texas, Jan. 13-16, 1993
  • IFIP Workshop, Univ. of Trento, Italy, Jan. 4-9, 1993
  • AMS Annual Meeting, Special Session on Control and Stability, San Antonio, TX, Jan. 13-16, 1993
  • Conference on Optimal Control of Diff. Eq., Ohio Univ., Athens, Ohio, March 25-27, 1993
  • Conference on Control and Estimation of Distributed Parameter System, Univ. of Graz, (Vorau) Austria, July 18-24, 1993
  • First International Conf. on Dynamic Systems and Applications, Atlanta, Georgia, May 26-29, 1993
  • Minisymposium on Control of PDE's, Texas A&M Univ., College Station, Oct. 21, 1993
  • AMS Meeting/Special Session, College Station, Texas, Oct. 22-23, 1993
  • 32nd IEEE Conference on Decision and Control, San Antonio, Texas, Dec. 15-17, 1993
  • SIAM Annual Meetings, San Diego, California, 1994
  • AFOSR Workshop on Optimal Design, ICIAM Blacksburg, Virginia, April 8-9, 1994
  • IAC Workshop on Control and Applications, Rome, Italy, July 11-13, 1994
  • ICCAM 94th International Conference on Computational and Applied Mathematics, Leuven, Belgium, July 25-30, 1994
  • IFIP Conference on Control of Partial Differential Equations, Loredo, Spain, September 4-9, 1994
  • 4th International Conference on Evolution Equations, Pisa, Italy, September 26-30, 1994
  • AMS Meetings, Orlando, Florida, March 17-18, 1995
  • ICIAM 95, Hamburg, Germany, July 3-7, 1995
  • 17-th IFIP Conference on Modeling and Optimization, Prague, July 10-14, 1995
  • IFIP Conference, Warsaw, Poland, July 17-21, 1995
  • SIAM Annual Meeting, Charlotte, NC, October 23-26, 1995
  • SIAM Annual Meeting, Kansas City, KS, June 21-25, 1996
  • Conference on Nonlinear Problems in Aerospace, Daytona Beach, May 9-11, 1996
  • SPIE's 1996 Symposium, San Diego, CA, Feb. 25-29, 1996
  • MMAR-96 Conference, Miedzyzdroje, Poland, Sept. 10-13, 1996
  • AMS Conf. on Mathematical Aspects of Wave Propagation, Chattanooga, Oct. 11-12, 1996
  • SPIE's Conference on Smart Structures and Materials, San Diego, Feb. 4-7, 1997
  • ISSAC's Congress- Invited Session on Mathematical Methods in Wave Propagation, June 6, 1997
  • IFIP Conference on Optimal Control, Gainesville, FL, Feb 27-March 1, 1997
  • CIRM Conference on Control of PDE's, Luminy (Marseille), France, June 16-21, 1997
  • 18 IFIP General Conference on Modeling and Optimization, Detroit, MI, July 21-24, 1997
  • International Conference on Dynamics and Control of PDE's, Guanajuato, Mexico, Nov. 29-31, 1997
  • Semester on Control Theory of PDE's, Institut Henri Poincare, Paris, France, March 9-13, 1998
  • Workshop on Thermoelasticity, Nat. Lab. Scientific Comp. Rio de Janerio, Brazil, March 16-20, 1998
  • International Conference on Control of PDE's, Chemnitz University, Germany, April 20-25, 1998
  • 4-th SIAM Conference on Control and its Applications, Jacksonville, FL, May 7-9, 1998
  • Conference on Control of Distributed Parameter and Stochastic Systems, Hangzhou, China, June 19-22, 1998
  • Conference on Semigroups of Operators, Newport Beach, CA, Dec. 14-18, 1998
  • Invited SIAM lecture at 37 IEEE CDC Conference, Tampa, Dec. 16-18, 1998
  • AMS Meeting, Invited Session on "Control and Dynamics of PDE's," Las Vegas, NV, April 10-11, 1999
  • ICIAM 99, Invited Session "Control of Shells", Edinburgh, Scotland, July 5-9, 1999
  • 19-th IFIP Conference, Invited Session: "Control of DPS Systems," Cambridge, England, July 12-16, 1999
  • AMS Southeastern Meeting, Invited Session on "Optimal Control and Computational Optimization" Charlotte, NC, Oct. 15-17, 1999
  • 38-th IEEE CDC Conference, Invited Session on "Control of Distributed Systems," Phoenix, Arizona, December 7-10, 1999
  • AMS Annual Meeting, Invited Session on Differential Geometric Methods in Control Theory," Washington, DC, January 19-21, 2000
  • Workshop on "PDE's- Thermo-Visco Elasticity," University of Constanz, Germany, July 31-August 4, 2000
  • IMACS World Congress, Invited Session on "Wellposedness and qualitative behaviour of solutions to nonlinear shell theory," Lausanne, Switzerland, August 21-25, 2000
  • Third World Congress of Nonlinear Analysis, Catania, Sicily, July 19-26, 2000
  • PDE Conference, Virginia Tech University, Blacksburg, Oct 15-16, 2000
  • AMS Conference, Invited Session on Calculus of Variations and Nonsmooth Analysis. Lawrence, Kansas, March 30-April 1, 2001.
  • . Workshop on Wellposedness in Optimization and Nonsmooth Analysis. Banach Center, Warsaw, Poland, Sept 10-15, 2001
  • ISAACS Congress, Invited Session on Geometric Methods and PDE's, Berlin, August 20-25, 2001
  • AMS Conference: Invited Session on Wave Propagation, Chattanooga, TN, October 5-7, 2001
  • 01 AMS Annual Conference, Invited Session on Nonlinear PDE's, San Diego, CA, January 7-11, 2002
  • Conference on "Evolution Equations and Semigroups," INDAM Palazzone in Cortona, Italy, April 8-12, 2002
  • First Joint International Meeting AMS-Unione Matematica Italiana, Pisa, Italy, June 12-16, 2002
  • Conference on Differential Equations and Nonlinear Dynamics. University of Alberta, Edmonton, Alberta, Canada, July 7-12, 2002
  • SIAM Annual Conference, Invited Session on Shape Optimization, Philadelphia, July 8-12, 2002
  • Conference on PDE's and Optimization, Romanian Academy of Sciences, Constanza, Romania, September 10-14, 2002
  • Mittag-Leffler Institute, Semester on "Mathematical Control Theory," January 2003
  • Conference on Semigroups and Evolutions, Gargnanao, Italy, March 31-April 4, 2003
  • 3rd International Conference on Engineering, Applications and Computational Algorithms, Guelph, Ontario, Canada, May 15-18, 2003
  • IIASA Workshop on Control of Distributed Systems and Environmental Applications, Laxenburg, Austria, May 26-18, 2003
  • Conference in honor of J. Lagnese, Washington,DC, May 29-June 03, 2003
  • 21st IFIP Conference on System Modeling and Optimization, Sophia Antipolis, France, July 21-25, 2003. Invited session
  • 9th IEEE International MMAR Conference, Miedzyzdroje, Poland, Invited session "Optimization of Infinite Dimensional Systems," August 25-28, 2003
  • 5th Congress of Romanian Mathematics, Pitesti, Romania, June 22-28, 2003
  • Workshop on Boundary Control and Optimization, Pisa, February 26-28, 2004
  • AIMS Conferene on Differential Equations and Dynamical Systems, Los Angeles, CA, June 15-19, 2004
  • Workshop on Optimal Control of ODEs, conference dedicated to Czeslaw Olech. Banach Center, Warsaw, Poland, September 1-5, 2004
  • IFIP Conference on Free and Moving Boundaries, Houston, December 2-4, 2004
  • AMS Conference, Southeastern Section, Bowling Green, KY, March 2005 (invited session)
  • AMS Conference, Eastern Section, Newark, DE, April 2-3, 2005 (invited session)
  • Oberwolfach Conference on Optimal Control of Coupled Systems of PDEs, Oberwolfach, April 17-23, 2005
  • Workshop on Inverse Problems, Charlotte, NC May 27-30, 2005
  • 5th ISAACS Congress, Catania, Italy, July 25-30, 2005
  • 22nd IFIP Conference on Modeling Optimization, Torino, Italy, July 17-21, 2005
  • AMS Summer Research Conference on "Control Methods in PDE Dynamical Systems," Snowbird, Utah, July 3-7, 2006; Workshop on Boundary Value Problems, computation and Control, September 19-23, 2005, Luminy, France
  • Conference on Evolution Equations, Applications to Physics and Engineering, October 24-28, 2005, Luminy, France
  • MMAR 2005 - IEEE Conference, August 29-September 1, 2005, Miedzyzdroje, Poland
  • AIMS Conference on Dynamical Systems and Differential Equations, Poitiers, France, June 25-28, 2006; special session "Infinite-Dimensional Dynamical Systems"
  • AMS Conference, special session "Harmonic Analysis and PDEs," Miami, FL, April 1-2, 2006
  • Fluids and Waves, Recent Trends in Applied Analysis, Memphis, TN, May 11-13, 2006
  • SIAM Conference on Analysis of PDEs, invited session "Structure Interactions with Fluid Gas Flows and Acoustical Waves, July 10-12, 2005
  • IEEE-MMAR 2006, Miedzyzdroje, Poland, August 28-31, 2006
  • Evolution Equations 2006, in memory of G. Lumer, University of Mons, Mons, Belgium, August 28-September 1, 2006
  • International Conference on Differential Equations, dedicated to Y. Lopatinsky, Lviv, Ukraine, September 12-17, 2006
  • Workshop on PDEs, Rio de Janeiro, Brazil, September 12-15, 2006
  • Advances in Control of PDEs, in honor of the 70th birthday of T. Seidman, University of Maryland, October 28-29, 2006
  • Workshop on Direct, Inverse, and Control Problems of PDEs, (DICOP), June 25-28, 2007, Rome, Italy
  • International Conference on Theoretical and Numerical Fluid Mechanical, in honor of P. Galdi, August 11-17, 2007, Vancouver, Canada
  • Conference on Functional Analysis and Optimization, Center for the Institute of Mathematics of the Polish Academy of Sciences in Bedlewo (Poland), September 17-21, 2007
  • International Conference on Inverse and Ill-Posed Problems in Mathematical Physics, dedicated to M. M. Lavrentev, August 20-25, 2007, Novosybrisk, Russia
  • Special Session of the SIAM-PDE Conference, Arizona, December, 2007
  • AMS-NZM First Joint Meeting, December 12-15, 2007, Wellington, New Zealand. 50-minute keynote lecture in the session, New Trends in Spectral Analysis and PDE
  • Workshop on PDEs, Rio de Janeiro, Brazil, September 1-7, 2007
  • The 7th AIMS Conference, Arlington, TX, May 18-21, 2008
  • AMS Central Sectional Meeting, October 17-19, 2008 at the Special Session on Optimization and Variational Analysis, Kalamazoo, Michigan
  • MFO - Oberwolfach, Germany, Workshop on Optimal Control of Coupled PDEs, Oberwolfach, March 2-8, 2008
  • Differential Equations and Topology, dedicated to L. S. Pontryagin, Moscow State Univ., June 17-22, 2008
  • Direct, Inverse and Control Problems in PDEs, Cortona, Italy, September 22-27, 2008
  • 47-IEEE-CDC Conference, Cancun, Mexico, December 9-11, 2008, invited session on Distributed Parameter Systems

Publications Books
  1. Differential and Algebraic Riccati Equations with Applications to Boundary/Point Control Problems: Continuous Theory and Approximation Theory (with R. Triggiani), Springer Verlag, Lecture Notes 164, 1991, 160p.
  2. Research monograph, Deterministic Control Theory for Infinite Dimensional Systems, vols. I and II (with R. Triggiani) Encyclopedia of Mathematics, Cambridge University Press, 1999.
  3. Research monograph, Stabilization and Controllability of Nonlinear Control Systems Governed by Partial Differential Equations (with R. Triggiani) in preparation under a contract from Kluwer Academic Publishers.
  4. NSF-CMBS Lecture Notes: Mathematical Control Theory of Coupled PDE's, SIAM, 2002.
  5. Functional Analytic Methods for Evolution Equations (co-authored with G. Da Prato, A. Lunardi, L. Weis, R. Schnaubelt), Springer Verlag Lecture Notes in Mathematics, 2004.
  6. Tangential Boundary Stabilization of Navier-Stokes Equations (with V. Barbu and R. Triggiani), Memoirs of AMS, vol. 181, 2005.
  7. Long-Time Behavior of Second-Order Equations with Nonlinear Damping (with I. Chueshov), Memoirs of AMS, to appear.

Books edited
  1. Control Problems for Systems Described by Partial Differential Equations and Applications (with R. Triggiani), Springer-Verlag Lecture Notes, Vol. 97, 1987.
  2. Modelling and Inverse Problems of Control for Distributed Parameter Systems (with A. Kurzhanski), Springer-Verlag, Lecture Notes in Control and Information Sciences, Vol. 154, 1991.
  3. Control Problems in Industry (with B. Morton), Birkhauser, Progress in Systems and Control Theory, Vol. 21, 1995.
  4. Optimization Methods in PDE's (with S. Cox), Contemporary Mathematics, AMS, 1997.
  5. System Modeling and Optimization (with A. Dontchev, P. Kall, A. Olbrot, and M. Polis), Research Notes in Mathematics Series, Chapman and Hall, 1999.
  6. Control of Nonlinear Distributed Syatems (with G. Chen and J. Zhou), Lecture Notes in Pure and Applied Mathematics, Marcel Dekker, Vol. 218, 2001.
  7. Optimal Control of Complex Structures (with K-H. Hoffman, G. Leugering, J. Sprekels, F. Troltzsch), Birkhauser, Vol. 139, 2002.
  8. Analysis and Optimization of Differential Systems (with V. Barbu, D. Tiba, and C. Varasan), Kluwer AP, 2003.
  9. Geometric Methods in Inverse Problems and Control Theory (with C. Cooke, G. Uhlmann, and M. Vogelious), Springer-Verlag, 2003.
  10. Special issue of Control and Cybernetics (with Jan Sokolowski), dedicated to Prof. K. Malanowski, 32(3) (2003).
  11. Control Methods in PDE-Dynamical Systems (with F. Ancona, W. Littman, and R. Triggiani), AMS-SIAM Joint Summer Research Conference, Contemporary Mathematics, AMS, vol. 42.
  12. Control Theory of PDEs, guest editor (with L. Pandolfi) for the special issue of the journal, Applied Mathematics and Optimization, Springer Verlag, vol. 27, 2008.

Review papers
  1. Boundary Stabilization Problems for Hyperbolic Dynamics - A Review, (invited review paper), Lecture Notes in Control and Information Sciences '84, Systems Modelling and Optimization, Springer-Verlag (1986), pp. 499-522
  2. Algebraic Riccati Equations arising in boundary/point control: A review of theoretical and numerical results Part I: continuous theory, Part II: Approximation theory (with R. Triggiani). Review paper: Perspectives in Control Theory, Birkhauser (1990), pp. 175-235.
  3. Recent advances in regularity of second-order hyperbolic mixed problems and applications (with R. Triggiani), invited review paper for the series Dynamics Reported, Springer-Verlag 3 (1994), pp. 104-162.
  4. Riccati Equations arising from boundary and point control problems. Invited review paper for ITSIRIA Conference Analysis and Optimization of Systems, LNCIS, Springer-Verlag 185 (1993), pp. 23-46.
  5. Control of Systems Governed by PDE's: A historical perspective, invited paper for the 34th IEEE-CDC Conference (1995), pp. 2792-2795.
  6. The case of Differential geometry in the control of single and coupled PDE's, the structural acoustic chamber (with R. Gulliver, W. Littman, and R. Triggiani), The IMA Volumes in Mathematics and its Applications, Springer-Verlag 137 (2003), pp. 73-183.

Refereed journal articles
  1. Necessary Conditions of Optimality for Optimal Control of Systems with Delay, Archiwum AiT, No. 4 , 1973).
  2. Conical Approximations of Sets, Control and Cybernetics, 4(3-4) (1975).
  3. Finite Difference Approximation of Optimal Control for Systems Described by Nonlinear Differential Equations with Delay, Control and Cybernetics, 5(1) (1976), pp. 35-67.
  4. On Regularity of Solutions to Convex Optimal Control Problems with Control Constraints for Parabolic Systems, with K. Malanowski, Control and Cybernetics, 6(3-4) (1977), pp. 57-74.
  5. Generalizations of Dubovitsky-Mulutyn Conditions, Journal of Optimization Theory and Applications, 24(3) (1978), pp. 421-436.
  6. On Discrete-Time Ritz-Galerkin Approximation of Optimal Control Problems with Control Constraints for Parabolic Systems, with K. Malanowski, Control and Cybernetics, 7(1) (1978), pp. 20-37.
  7. Boundary control problems: Regularity of optimal solutions,Applied Mathematics and Optimization 4 (1978), pp. 301-327.
  8. State Constrained Control Problems for Parabolic Systems: Regularity of Optimal Solutions, Applied Mathematics and Optimization 6 (1980), pp. 1-29.
  9. Boundary Control for Parabolic Systems: Finite Element Approximation, Applied Mathematics and Optimization 6 (1980), pp. 31-62.
  10. A Unified Theory for Abstract Parabolic Boundary Problems: A Semi-Group Approach, Applied Mathematics and Optimization 6 (1980), pp. 287-333.
  11. A Cosine Operator Approach to Modelling L2(0,T;L2W)) boundary Input Hyperbolic Equations (with R. Triggiani), Applied Mathematics and Optimization 7 (1981), pp. 35-83.
  12. Hyperbolic Equations with Dirichlet Boundary Feedback via Position Vector: Regularity and Almost Periodic Stabilization, Part 1 (with R. Triggiani), Applied Mathematics and Optimization 8 (1981), pp. 1-37.
  13. Hyperbolic Equations with Dirichlet Boundary Feedback via Position Vector: Regularity and Almost Periodic Stabilization, Part II (with R. Triggiani), Applied Mathematics and Optimization 8 (1982), pp. 103-130.
  14. Hyperbolic Equations with Dirichlet Boundary Feedback via Position Vector: Regularity and Almost Periodic Stabilization, Part III (with R. Triggiani), Applied Mathematics and Optimization 8, pp. 199-221 (1982).
  15. Structural Assignment of Neumann Boundary Feedback Parabolic Equations (with R. Triggiani), Annali Mat. Pura e Appl. (IV) XXXII, pp. 131-175 (1982).
  16. Stabilization and Structural Assignment of Dirichlet Boundary Feedback Parabolic Equations (with R. Triggiani), SIAM J. Control 21(5, pp. 766-803 (1983).
  17. Feedback Semigroups and Cosine Operators for Boundary Feedback Parabolic and Hyperbolic Equations (with R. Triggiani), Journal Diff. Equations 47(2), pp. 246-272 (1983).
  18. Stabilization of Neumann Boundary Feedback Parabolic Equations: The Case of Trace in the Feedback Loop (with R. Triggiani), Applied Mathematics and Optimization 10, pp. 307-350 (1983).
  19. Dirichlet Boundary Control Problem for Parabolic Equations with Quadratic Cost: Analyticity and Riccati Feedback Synthesis (with R. Triggiani), SIAM J. Control and Optimization 21(1) (1983), pp. 41-67.
  20. Regularity of Hyperbolic Equations Under L2(0,T;L2W)) Dirichlet Boundary Terms (with R. Triggiani), Applied Mathematics and Optimization 10, pp. 275-286 (1983).
  21. Dirichlet Boundary Stabilization of the Wave Equation with Damping Feedback (with R. Triggiani), J. Math Anal. and Appl. 87(1, pp. 112-130 (1983).
  22. Ritz-Galerkin Approximation of Time-Optimal Boundary Control, SIAM Journal Control and Optimization 22(3, pp. 477-499, (1984).
  23. Nondissipative Boundary Stabilization of Hyperbolic Equations with Boundary Observation (with R. Triggiani), Journal de Mathematique Pure et Applique 63, pp. 59-80 (1984).
  24. Perturbations of the Spectrum and their Applications to Stabilization of Vibrating Strings, with J.P. McKenna, SIAM J. of Mathematical Analysis 15(6 (1984).
  25. Convergence Estimates for Semidiscrete Approximations of Non-Selfadjoint Parabolic Equations, SIAM Journal on Numerical Analysis 21(5, pp. 894-908 (1984).
  26. Finite Dimensional Boundary Feedback Control Problems for Linear Infinite Dimensional Systems, with W. Schappacher and W. Desh, Israel Journal of Mathematics 51(3) (1985), pp. 177-207.
  27. Finite Rank, Relatively Bounded Perturbations of CO-Semigroups; Part I: Well Posedness and Boundary Feedback Hyperbolic Dynamics (with R. Triggiani), Annali Scuola Normale Superiore di Pisa XII(4 (1985).
  28. Approximations of Riccati Equations for Abstract Boundary Control Problems - Applications to Hyperbolic Systems, Numerical Functional Analysis and Optimization 8(3-4, pp. 207-243 (1985).
  29. Riccati Equations for Hyperbolic Partial Differential with L2[0,T;L2W) ] Dirichlet Boundary Terms (with R. Triggiani), SIAM Journal on Control 24(5, pp. 884-926 (1986).
  30. Riccati Equations for Nonsymmetric and Nondissipative Hyperbolic Systems, with S. Chang, J. Math. Analysis and Applications 116(2, pp. 378-414 (1986).
  31. Finite Rank, Relatively Bounded Perturbations of C0-Semigroups; Part II: Spectrum Allocation and Riesz Basis in Parabolic and Hyperbolic Feedback Systems (with R. Triggiani), Ann. Matem. Pura and Applic. IV CXLIH, pp. 47-100 (1986).
  32. Non-Homogeneous Boundary Value Problems for Second Order Hyperbolic Operators, with J. L. Lions and R. Triggiani, Journal de Mathematique Pure et Applique 65, pp. 149-192 (1986).
  33. Galerkin Approximations of Abstract Parabolic Boundary Value Problems with 'Rough' Boundary Data - Lp Theory, Math of Computations 47(175) (July 1986), pp. 55-75.
  34. A Direct Study of Riccati Equations Arising in Hyperbolic Boundary Control Problems, with G. DaPrato and R. Triggiani, Journal of Differential Equations 64(1, pp. 26-47 (1986).
  35. Regulator Problems for Parabolic Equations with Dirichlet Boundary Control; Riccati's Feedback Synthesis, Regularity, Galerkin Approximations, Part I (with R. Triggiani), J. Appl. Math. and Optimization 16, pp. 147-168 (1987).
  36. Regulator Problems for Parabolic Equations with Dirichlet Boundary Control; Riccati's Feedback Synthesis, Regularity, Galerkin Approximations, Part II (with R. Triggiani), J. Appl. Math. and Optimization 16, pp. 187-217 (1987).
  37. Uniform Exponential Energy Decay in a Bounded Region with L2(0,T;L2W)) Feedback Control in the Dirichlet Boundary Conditions (with R. Triggiani), J. Diff. Eqn. 66(3) (1987), pp. 340-390.
  38. Exact Controllability of the Euler-Bemoulli's Equations with L2M control Only in the Dirichlet Boundary Conditions (with R. Triggiani), Atti della Accademia Nazionale dei Lincei Rendiconti Classe di Scienze, fisiche, mathematiche e naturali LYXXI, pp. 35-42, (1987).
  39. A Lifting Theorem for the Time Regularity of Solutions to Abstract Equations with Unbounded Operators and Applications to Hyperbolic Equations (with R. Triggiani), Proceedings of AMS, 104(3) (1988), pp. 745-755.
  40. Exact Controllability of the Euler-Bernoulli Equations with Controls in the Dirichlet and Neumann Boundary Conditions--A Nonconservative Case (with R. Triggiani), SIAM J. on Control 27(2) (1989), pp. 330-374.
  41. Regularity Theory for a Class of Nonbomogeneous Euler-Bernoulli Equations: A Cosine Operator Approach (with R. Triggiani), Bullettino Unione Matematica Italiana, 7-2B, 1988, pp. 199-228.
  42. Regularity and Strong Convergence of a Variational Approximation to Nonhomogeneous Dirichlet Hyperbolic Boundary Value Problems, with J. Sokolowski, SIAM Journal of Mathematical Analysis 19(3) (1988), pp. 528-540.
  43. Boundary Stabilization of Hyperbolic and Parabolic Equations with Nonlinearly Perturbed Boundary Conditions, J. Diff. Eqn. 75(1) (1988), pp. 53-87.
  44. Trace Regularity Results for Wave Equation with Homogenous Neumann Boundary Conditions and Compactly Supported Data (with R. Triggiani), Journal of Mathematical Analysis and Applications 141(1) (1989), pp. 49-71.
  45. Algebraic Riccati Equations with Non-Smooth Observations Arising in Hyperbolic and Petrovsky Type Equations, with F. Flandoli and R. Triggiani, Annali di Mathemetica Pura et Applicata, (IV) 1989 CLIII, pp. 307-382.
  46. Exact Boundary Controllability for the Wave Equation with Neumann Boundary Control (with R. Triggiani), Applied Mathematics and Optimization 19(3, pp. 243-291, 1989.
  47. Differentiability and Convergence Rates of Approximating Semigroups for Retarded Functional Differential Equations, with A. Manitius, SIAM J. on Numerical Analysis, 25(4) (1988), pp. 883-907.
  48. Semidiscrete Approximations of Hyperbolic Boundary Value Problems with Nonhomogeneous Dirichlet Boundary Conditions, with J. Sokolowski, SIAM Journal of Mathematical Analysis 20(6) (1989), pp. 1366-1387.
  49. Exact Controllability of the Euler-Bernoulli Equation with Boundary Controls for Displacement and Moment (with R. Triggiani), Journal Mathematical Analysis and Applications 146(1), (1990), pp. 1-33.
  50. Sensitivity Analysis of Control Constrained Optimal Control Problems for Wave Equations, with J. Sokotowski, SIAM J. on Control 29(5) (1991), pp. 1128-1149.
  51. Sharp Regularity Results for Second Order Hyperbolic Equations of Neumann Type (with R. Triggiani), Annali di Matemetica Pura et Applicata, (IV) CLVII (1990), pp. 285-367.
  52. The Wave Equation with Nonlinear Boundary Conditions, with A. Stahel, Nonlinear Analysis, Theory and Applications 15(1) (1990), pp. 39-58.
  53. Stabilization of Wave and Plate-like Equations with Nonlinear Dissipation on the Boundary, Journal of Differential Equations 79(2) (1989), pp. 340-381.
  54. Stabilization of the Semilinear Wave Equation with Viscous Damping, Journal of Differential Equations 86(1) (1990), pp. 73-87.
  55. Asymptotic Behavior of the Solutions of the Kirkhoff plate with Nonlinear Dissipation in the Bending Moments and Shear Forces, Journal of Applied Mathematics & Optimization 21 (1990), pp. 167-189.
  56. Exact Controllability for Semilinear Waves and Plates, (with R. Triggiani). Journal of Applied Mathematics & Optimization, 23(2) (1991), pp. 109-155.
  57. Approximations of solutions to infinite dimensional Algebraic Riccati Equations with unbounded input operators, Numerical Functional Analysis and Optimization, 11, (1990), pp. 303-378.
  58. Approximation theory for Algebraic Riccati equations with unbounded input operators: The case of analytic semigroups, (with R. Triggiani), Mathematics and Computations 57(196, (199 1), pp. 639-662.
  59. Uniform exponential energy decay of wave equations in a bounded region - without any geometric conditions, (with R. Triggiani). Journal of Applied Mathematics & Optimization 25, No. 2, (1992), pp. 189-224.
  60. Semidiscrete Approximations of Parabolic Boundary Value Problems with Nonsmooth Boundary Date, (with G. Choudoury), Numerical Functional Analysis and Optimization, 12(5,6 (1991), pp. 463-487.
  61. Exact controllability and uniform stabilization of Euler-Bernoulli Equations with boundary control only in Aw (with R. Triggiani), Bull. Unione Math. Italiana (7) 5-B, (1991), pp. 665-702.
  62. Regularity theory of hyperbolic equations with non-homogeneous Neumann boundary conditions, Part II: General boundary data, with R. Triggiani) Journal Differential Equations 94 (1991), pp. 112-164.
  63. Exponential stabilization of hyperbolic systems with nonlinear, unbounded perturbation--Riccati operator approach, Applicable Analysis 42 (1991), pp. 243-261.
  64. Exact controllability and uniform stabilization of Kirchoff plates with boundary control only on Awl, and homogeneous boundary displacement (with R. Triggiani), Journal Differential Equations, 93(1) (1991), pp. 62-101.
  65. Convergence rates for the approximations of the solutions to algebraic Riccati Equations with unbounded coefficients--Case of analytic semigroups, Numerische Mathematik 63 (1992), pp. 357-390.
  66. Differential Riccati equations with unbounded coefficients: applications to boundary control/boundary observation hyperbolic problems (with R. Triggiani), Journal of Nonlinear Analysis 17(7) (1991), pp. 655-682.
  67. Riccati Differential equations with unbounded coefficients and non-smoothing terminal condition - the case of analytic semi group (with R. Triggiani) SIAM J. Math. Analysis 23(2) (1982), pp. 449-481.
  68. Regularization and Finite Element Approximations of the wave equation with Dirichlet boundary data (with P. Neittanmaki and J. Sokotowski) Numerical Analysis and Mathematical Modelling 24 (1990), pp. 329-353.
  69. Optimal regularity, exact controllability and uniform stabilization of Shroedinger equation (with R. Triggiani). Journal of Differential and Integral Equations 5(3) (1992), pp. 521-535.
  70. Existence of the solutions to Euler-Bernoulli plate model with sernilinear boundary conditions (with M. E. Bradley). Control and Cybernetics 3, pp. 28-46 (1990).
  71. Local Exponential stabilization for a nonlinearly perturbed von Karman Plate (with M. E. Bradley). Journal of Nonlinear Analysis, Theory and Application, 18(4) (1992), pp. 333-343.
  72. Negative norm estimates for a fully discrete finite element approximations of the wave-equation with nonhomogeneous L2-Dirichlet boundary data (with L. Bales), Computation of Mathematics, 64(209) (1995), pp. 89-115.
  73. Feedback exact null controllability for unbounded control problems in Hilbert spaces (with S. Chen) Journal of Optimization Theory and Applications 74(2) (1992), pp. 191-219.
  74. Global uniform decay rates for the solutions to wave equation with nonlinear boundary conditions. Applicable Analysis 47 (1992), 191-212.
  75. Uniform boundary stabilization of semilinear wave equation with nonlinear boundary conditions (with D. Tataru), Journal of Differential and Integral Equations, 6(3) (1993), pp. 507-533.
  76. Exponential decay rates for the solutions of Euler-Bernoulli equations with boundary dissipation occurring in the moments only, Journal of Differential Equations, 95(1) (1992), pp. 169-182.
  77. Algebraic Riccati Equations arising from systems with unbounded input-solution operator: Applications to boundary control problems for wave and plate equations (with R. Triggiani), Nonlinear Analysis Theory Methods and Applications, 20(6) (1993), pp. 658-695.
  78. Galerkin approximations of infinite-dimensional compensators for flexible structures with unbounded control actions, Acta Applicandae Mathematica, 28 (1992), pp. 101-133.
  79. Global decay rates for the solutions to a von Karman plate without geometric conditions (with M. Bradley), J. Math. Anal. & Applic. 181(1) (1994), pp. 254-276.
  80. Continuous finite elements in space and time for the nonhomogeneous wave equation (with L. Bales), Computers and Mathematics with Applications 27(3) (1994), pp. 91-102.
  81. Sharp trace estimates of solutions to Kirchoff and Euler-Bernoulli equations (with R. Triggiani), Applied Mathematics and Optimization 28 (1993), pp. 277-306.
  82. Uniform convergence of the solutions to Riccati Equations arising in boundary/point control problems: Stochastic Theory and Adaptive Control, LNCIS, Springer Verlag (1992), pp. 285-306.
  83. Asymptotic behavior with respect to thickness of boundary stabilizing feedback for the Kirchoff plate (with M. A. Horn), Journal of Differential Equations 114(2), pp. 396-433 (1994).
  84. Nonlinear boundary stabilization of a von Karman plate equation (with M. A. Horn), invited paper for Markus Festschrift. Differential Equations and Dynamical Systems 152 (1993), 581-605.
  85. Abstract differential equations and nonlinear dispersive systems (with A. Favini, H. Tanabe), Differential and Integral Equations, 6(5) 1993, 995-1008.
  86. Wellposedness and regularity of second order abstract equations arising in hyperbolic-like problems with nonlinear boundary conditions (with A. Favini), Osaka Journal of Mathematics 32, pp. 721-752 (1996).
  87. Finite dimensionality of attractors associated with von Karman plate equations and boundary damping, Journal of Differential Equations, 117(5) 1995, 337-389.
  88. Existence and uniqueness of the solutions to second order abstract equations with nonlinear and nonmonotone boundary conditions, Nonlinear Analysis, 23(6), 1994, 797-823.
  89. Global stabilization of a dynamic von Karman plate with nonlinear boundary feedback (with M. A. Horn), Applied Mathematics & Optimization 31, pp. 57-84 (1995).
  90. Regularizations and approximations of Algebraic Riccati Equations arising in hyperbolic dynamics (with E. Hendrickson), Computational Optimization and Applications 2 (1993), pp. 343-390.
  91. Finite element approximations of compensator design for analytic generators with fully unbounded controls/observations, SIAM Journal on Control 33(1), pp. 67-88 (1995).
  92. A robustness result for a von Karman plate (with B. Bradley), Kybernetica, 29(3) (1993), 291-304.
  93. Uniform decay of weak solutions to a von Karman plate with nonlinear boundary dissipation (with M. A. Horn), invited paper dedicated to the memory of P. Hess, Differential and Integral Equations 7(4), pp. 885-908 (1994).
  94. Input dynamics and nonstandard Riccati Equations (with D. Lukes, L. Pandolfi), Journal of Optimization, Theory and Applications, 84(3) (1995), pp. 549-574.
  95. Compact attractors for von Kannan equations with nonlinear damping, Proceedings of Dynamical Systems and Applications 4(1), pp. 5-18 (1994).
  96. A feedback synthesis of boundary control for a plate equation with structural damping (with D. Lukes, L. Ppandolfi), Applied Mathematics and Computer Science 4(1), 5-18 (1994).
  97. Global existence, uniqueness and regularity of solutions to a von Karman System with nonlinear boundary dissipation (with A. Favini, M. A. Horn, D. Tataru), Integral and Differential Equations, 9(2), 1996, 267-294.
  98. Local and global compact attractors arising in nonlinear elasticity-case if noncompact nonlinearity and nonlinear dissipation, Journal of Mathematical Analysis and Applications 196 (1995), pp. 332-360.
  99. Asymptomatic behavior of solutions in nonlinear dynamic elasticity (with W. Heyman), Discrete and Continuous Dynamic Systems. 1(2), 1995, 237-252.
  100. Finite dimensional attractors to von Karman plate model, Journal of Mathematical Systems, Estimation and Control. 7(3) (1997), pp. 251-275.
  101. Uniform stabilization of spherical shells by boundary dissipation (with R. Triggiani and V. Valente), Advances in Differential Equations 1(4) (1996), pp. 635-674.
  102. Abstract model and sernigroup wellposedness of spherical shells (with R. Triggiani) invited paper for Dynamical Systems and Applications 4 (1995), pp. 453-471.
  103. Nonlinear Boundary stabilization of parallely connected Kirchhof plates (with M. A. Horn) Dynamics and Control 6, pp. 263-292, 1996.
  104. Finite dimensional approximations of boundary control problems arising in partially observed hyperbolic systems, (with E. Hendrickson), invited paper Dynamics of Continuous, Discrete and Impulsive Systems 1, 1995, 101-142.
  105. Finite dimensional attractors for von Karman systems with nonlinear dissipation and noncompact nonlinearity, invited paper for Advances in Nonlinear Dynamics, IPD, Chapter 33, pp. 307-317 (1997).
  106. Strong stability of semigroup arising from a coupled hyperbolic/parabolic system, (with A. Avalos) Semigroup Forum 57, pp. 278-292, (1998).
  107. Uniform boundary stabilization of a nonlinear shallow and thin spherical cap (with W. Valente),Journal of Mathematical Analysis and Applications 202, pp. 951-994, (1996).
  108. A differential Riccati equations for the active control of a problem in structural acoustics (with A. Avalos) JOTA, 91(3), pp. 695-728, (1996).
  109. Convergence of numerical algorithms for the approximations of Riccati equations arising in smart material acoustic structure interactions, (with E. Hendrickson) Computational Optimization and Applications 8, No. 1, pp. 73-100, (1997).
  110. Carleman estimates and uniqueness for the system of coupled wave equations (with R. Triggiani), ZAMM, Applied Math. Mech. 76 (1996), pp. 277-281.
  111. Abstract model and semigroup well-posedness of spherical shells with boundary dissipation (with R. Triggiani) WSSLAA, 4 (1996), pp. 453-471.
  112. A singular control approach to highly damped second-order abstract equations and applications (with L. Pandolfi and R. Triggiani) Applied Mathematics and Optimization 36 (1997), pp. 67-107.
  113. Exponential stability of thermoelastic system with free boundary conditions without mechanical dissipation (with G. Avalos) SIAM Journal on Mathematical Analysis 29(1) (1998), pp. 155-182.
  114. Exponential stability of thermoelastic system without mechanical dissipation (with G. Avalos)invited paper honoring P.Grisvard. Rendiconti Istit. Mat. Univ. Trieste XXVIII, 1-28, (1997).
  115. Uniform decay rates of solutions to a structural acoustic model with nonlinear dissipation (with G. Avalos), Applied Mathematics and Computer Science 8(2) (1998), pp. 101-127.
  116. Uniform stabilization of a full von Karman system with nonlinear boundary feedback SIAM J. on Control 36(4) (1998), pp. 1376-1422.
  117. Weak, classical and intermediate solutions to a system of nonlinear elasticity Applicable Analysis 68 (1998), pp. l2l-145.
  118. Uniform decay for solutions to nonlinear shells with nonlinear dissipation (with R. Marchand), Nonlinear Analysis 30(8) (1997), pp. 5409-5418.
  119. Asymptotic behaviour of solutions to nonlinear shells in a supersonic flow (with W. Heyman), Numerical Functional Analysis and Optimization 20(3/4) (1999), pp. 279-300.
  120. Controllability and stabilization of the second order hyperbolic problems with nonconstant coefficients. (with R. Triggiani and P. Yao), Nonlinear Analysis, Theory, Methods and Applications 30(1) (1997), pp. 111-122.
  121. Riccati Equations Arising in Acoustic Structure Interactions with Curved Walls (with R. Marchand), Dynamics and Control 8 (1998), pp. 269-292.
  122. Exact Boundary Controllability of Nonlinear Shallow Spherical Shell (with M. E. Bradley), Mathematical Models and Methods in Applied Sciences 8(6) (1998), pp. 927-955.
  123. Exact Null Controllability of Structurally Damped and Thermoelastic Parabolic Models (with R. Triggiani) invited paper for National Academy of Lincei, Rome, Section Mathematics 9(9) (1998), pp. 43-69.
  124. Two Direct Proofs on the Analyticity of the S.C. Semigroup Arising in Abstract Thermoelastic Equations Advances in Differential Equations 3(3), pp. 387-416 (1998).
  125. Partially Observed Analytic Systems with Fully Unbounded Actuators and Sensors (with G. Ji). Computational Optimization and Applications 11, pp. 111-134 (1998).
  126. Mathematical Control Theory in Structural Acoustic Problems, invited paper based on Baretts Lectures. Mathematical Models and Methods in Applied Sciences 8(7) (1998), pp. 1119-1153.
  127. Analyticity and Lack Thereof, of Thermoelastic Sernigroups (with R. Triggiani) ESAIM-European Series in Applied and Industrial Mathematics 4, 199-222, 1998.
  128. Lack of time-delay robustness for dynamic stabilization of a structural acoustic model (with G. Avalos and R. Rebarber), SIAM J. on Control 37(5) (1999), pp. 1394-1418.
  129. Structural decomposition of thermoelastic: semigroups with rotational forces (with R. Triggiani), Semigroup Forum, 60 (2000), pp. 16-66.
  130. Boundary stabilization of a 3-dimensional structural acoustic model, Journal de Mathematiques Pure et Applique 78, pp. 203-232, 1999.
  131. Analyticity of semigroups arising in thermoelastic systems with coupled boundary conditions (with R. Triggiani) Abstract and Applied Analysis 3(1-2), pp. 153-169 (1998).
  132. Analyticity of Thermo-elastic semigroups with free boundary conditions (with R. Triggiani), Annali di Scuola Normale Superiore XXVII, 1998.
  133. Uniform decay rates for a full von Kannan system of dynamic thermoelasticity with free boundary conditions and partial dissipation. Communications on PDE's 24(9-10), pp. 1801-1849, 1999.
  134. Nonlinear Boundary feedback Stabilization for a Semilinear Kirchhoff Plate with dissipation Acting only via Moments-Limiting Behaviour (with G. Ji) Journal Math. Anal. Applications 229, 452-479, 1999.
  135. Finite dimensionality and compactness of attractors for Von Kannan equations with nonlinear dissipation. Nonlinear Differential Equations and Applications (NODEA), 6, pp. 437-472, 1999.
  136. Boundary Controllability of thermoelastic Plates via the Free Boundary Conditions (with G. Avalos), SIAM J. on Control 38, pp. 337-383, 2000.
  137. Optimal Error Estimates for FEM approximations of dynamic nonlinear shells (with R. Marchand) Mathematical Modeling and Numerical Analysis -M2AN 34, pp. 63-84, 2000.
  138. Inverse Observability Estimates for second Order Hyperbolic Equations with Variable Coefficients (with R. Triggiani and P. F. Yao), Journal Mathematical Analysis and Applications 225 (1999), pp. 13-57.
  139. Exponential decay rates for a full von Karman system of dynamic thermoelasticity (with A. Baddabadellah), Journal Differential Equations 160 (2000), pp. 51-93.
  140. Global Solvability and Uniform Decay Rates of Solutions To Quasilinear Equations with Nonlinear Boundary Dissipation (with J. Ong), Communications in Partial Differential Equations 24(11 & 12) (1999), pp. 2069-2109.
  141. Sharp Regularity Theory for Elastic and Thermoelastic Kirchoff Equations with Free Boundary Conditions (with R. Triggiani) Rocky Mountain Journal, 20, pp. 981-1024, 2000.
  142. A sharp trace result on a thermo-elastic plate equation with coupled hinged/Neumann boundary conditions (with R. Triggiani) Continuous and Discrete Dynamical Systems 5(3), pp. 585-598, 1999.
  143. Analyticity, hyperbolicity and uniform stability of semigroups arising in models of composite beams (with S. Hansen) Mathematical Models and Methods in Applied Sciences, 10, pp. 555-580, 2000.
  144. Finite element compensators for thermoelastic systems with boundary controls and point observations (with S. K. Chang and R. Triggiani) Numerical Functional Analysis 20(5-6), pp. 419-435, 1999.
  145. Extended Algebraic Riccati equations in the Abstract Hyperbolic Case, (with V. Barbu and R. Triggiani) Nonlinear Analysis, 40, pp. 105-129, 2000.
  146. Boundary stabilizability of nonlinear structural acoustic models with thermal effects on the interface (with C. Lebiedzik), C.R. Academie Science de Paris, 328, pp. 187-192, 2000.
  147. Exponential Deacy rates For Full Von Karman Thermoelastic System with nonlinear Thermal Coupling (with A. Benabdallah), European Society Applied and Industrial Mathematics, (ESAIM)- Control, Optimization and Calculus of Variations (COCV). 8, pp. 13-38, 2000.
  148. Uniform stabilization of the quasi-linear Kirchhoff wave equation with a nonlinear boundary feedback - invited paper in honor of J. Gutenbaum, Control and Cybernetics, 29(1) (2000), pp. 171-197.
  149. Uniform stability in structural acoustic systems with thermal effects and nonlinear boundary conditions (with C. Lebiedzik)-invited paper for special volume Control and Cybernetics 28(3), pp. 557-581, 1999.
  150. Backward uniqueness for thermoelastic plates with rotational forces (with M. Renardy and R. Triggiani), Semigroup Forum 62 (2001), pp. 217-242.
  151. Optimization problems for structural acoustic models with thermoelasticity and smart materials Discussiones Mathematicae -Differential Inclusions 20, pp. 113-140, 2000.
  152. Wellposedness of a structural acoustic control model with point observation of the pressure (with G. Avalos and R. Rebarber), Journal Differential Equations 173 (2001), pp. 40-78.
  153. Uniform decay properties of a model in structural acoustic (with G. Avalos and R. Rebarber), Journal de Mathematiques Pure et Appliques 79(10) (2000), pp. 1057-1072.
  154. Exact-approximate boundary reachability for thermoelastic plates under variable thermal coupling (with G. Avalos), Inverse Problems 16 (2000), pp. 479-996.
  155. Decay rates of interactive hyperbolic parabolic PDE models with thermal effects on the interface (with C. Lebiedzik), Journal of Applied Mathematics and Optimization 42 (2000), pp. 127-167.
  156. Simultaneous exact controllability of thermoelastic plates with variable thermal coefficients and clamped/Dirichlet boundary controls (with M. Eller and R. Triggiani), Discrete and Continuous Dynamical Systems 7(2) (2001), pp. 283-302.
  157. Asymptotic behaviour of nonlinear structural acoustic interactions with thermal effects on the interface (with C. Lebiedzik) Nonlinear Analysis, 49, pp. 703-735, 2002.
  158. Simultaneous exact-approximate boundary controllability of thermo-elastic plates with variable thermal coefficients and moment control (with M. Eller and R. Triggiani). Journal Mathematical Analysis and Applications, 251, pp. 452-478, 2000.
  159. Unique continuation result for thermoelastic plates (with M. Eller and R. Triggiani), Inverse and Ill posed Problems, 9(2) (2001), pp. 109-148.
  160. Factor spaces and implications on Kirchhoff equations with clamped boundary conditions (with R. Triggiani), Abstract and Applied Analysis, 6(8) (2002).
  161. Singular estimates and uniform stability of coupled systems of hyperbolic/parabolic PDE's (with F. Bucci and R. Triggiani), Abstract and Applied Analysis 7, pp. 169-237, 2002.
  162. Uniform stabilization of a shallow shell model with nonlinear boundary feedback (with R. Triggiani), Journal Mathematical Analysis Applications 269, pp. 642-688, 2002.
  163. Hadamard wellposedness of weak solutions in nonlinear dynamic elasticity-full von Karman systems (with H. Koch), Evolution Equations, Semigroups, and Functional Analysis, Vol. 50 in Progress in Nonlinear Differential Equations, Birkhäuser, pp. 197-217, 2002.
  164. Optimal regularity of elastic and thermoelastic Kirchhoff plates with clamped boundary control (with R. Triggiani), Proceedings of Oberwolfach Conference on Optimal Control of Complex Structures, June 2000 ISNM, Birkhäuser, 130, pp. 171-182, 2001.
  165. On the attractor for a semilinear wave equation with critical exponent and nonlinear boundary dissipation (with I. Chueshov and M. Eller), Communications on Partial Differential Equations 1(27), pp. 1901-1951, 2002.
  166. Optimal control and differential Riccati equations under singular estimates for eAtB in the absence of analyticity (with R. Triggiani), Advances in Dynamics and Control, CRC Press, pp. 271-301, 2004.
  167. Exact boundary controllability of a hybrid PDE system arising in structural acoustic modeling (with G. Avalos), Advances in Dynamics and Control, CRC Press, pp. 155-175, 2004.
  168. Finite dimensionality and regularity of attractors for a 2-d semilinear wave equation with nonlinear dissipation (with A. Ruzmaikina), Journal Mathematical Analysis and Applications, 270, pp. 16-50, 2002.
  169. Strong stability of elastic control systems with dissipative saturating feedback (with T. Seidman), Systems and Control Letters , special volume dedicated to memory of J. L. Lions, 48, pp. 243-352, 2003.
  170. Sharp regularity of the second time derivative wtt to solutions of Kirchhoff equations with clamped boundary conditions (with R. Triggiani), Applied Mathematics and Computer Science, 11 (2001), pp. 753-773.
  171. The dynamical Lame system: regularity of solutions, boundary controllability and boundary continuation data (with M. Belishev), ESAIM: Calculus of Variations, to appear in a special volume dedicated to memory of J. L. Lions 8 (2002), pp. 143-167.
  172. Uniform stability in structural acoustic models with flexible curved walls (with J. Cagnol, C. Lebiedzik, J. P. Zolesio), Journal Differential Equations 186 (2002), pp. 88-121.
  173. Exponential decay rates for structural acoustic model with an overdamping at the interface and boundary layer dissipation (with F. Bucci), Applicable Analysis 7 (2002), pp. 169-237.
  174. Inertial manifolds for Von Karman Evolutions (with I. Chueshov), Journal of Applied Mathematics and Optimization, special volume dedicated to J. L. Lions 46 (2002), pp. 179-206.
  175. Exact controllability of structural acoustic interactions (with G. Avalos), Journal de Mathematiques Pure et Applique 82 (2003), pp. 1047-1073.
  176. Carleman estimates for a plate equation on a Riemann manifold with energy level terms (joint with R. Triggiani and P. F. Yao). Analysis and Applications, pp. 199-237, 2003. Kluwer.
  177. The case of differential geometry in the control of single and coupled PDE's, (joint with B. Gulliver, W. Littman and R. Triggiani), IMA volume Geometric Methods in Inverse Problems and Control, pp. 73-181, Springer Verlag, 2003.
  178. Determining functionals for a class of second order in time evolution equations with applications to von Karman equations (with I. Chueshov), Analysis and Optimization of Differential Systems, Kluwer Academic Press, pp. 109-123, 2003.
  179. Wellposedness of optimal control problems for systems with unbounded controls and partially analytic generators. Control and Cybernetics, invited paper, 31(3) (2002), pp. 751-777.
  180. Optimal blowup rates for the minimal energy null control of the strongly damped abstract wave equation (with G. Avalos), Annali di Scuola Normale Superiore, Ser. V, II , pp. 601-616, 2003.
  181. L2 regularity of the boundary ® operator B*L for hyperbolic and Petrowski PDE's (with R. Triggiani). Abstract and Applied Analysis 19 (2003), pp. 1061-1139.
  182. The operator BL for the wave equation with Dirichlet control (with R. Triggiani), Abstract and Applied Analysis 7, pp. 625-634, 2004.
  183. Boundary controllability of a coupled wave/Kirchoff system (with G. Avalos and R. Rebarber), Systems and Control Letters, 50, pp. 331-341, 2003.
  184. Global uniqueness, observability and stabilization of non-conservative Schrödinger equations via pointwise Carleman's estimates -Part I H1 estimates (with R. Triggiani and X. Zhang), Journal of Inverse and Ill Posed Problems 12(1), pp. 1-81, 2004.
  185. Global uniqueness, observability and stabilization of non-conservative Schrödinger equations via pointwise Carleman's estimates, Part II: L2 estimates (with R. Triggiani and X. Zhang), Journal of Inverse and Ill Posed Problems 11, pp. 43-123, 2004.
  186. Global attractors for von Karman evolutions with a nonlinear boundary dissipation (with I. Chueshov), Journal Differential Equations 198 (2004), pp. 196-229.
  187. Mechanical and thermal null controllability of thermoelastic plates and singularity of the associated minimal energy function, (with G. Avalos), invited paper in honor of K. Malanowski, Control and Cybernetics 32 (2003), pp. 473-490.
  188. Singular estimates and Riccati theory for thermoelastic plate models with boundary thermal control (with F. Bucci), Dynamics of Continuous, Discrete and Impulsive Systems 1 (2004), pp. 545-568.
  189. The null controllability of thermoelastic plates and singularity of the associated minimal energy function (with G. Avalos), Journal of Mathematical Analysis and Applications 294 (2004), pp. 34-62.
  190. Attractors for second order equations with nonlinear damping (with I. Chueshov), Journal of Dynamics and Differential Equations, to appear in the special volume dedicated to Shui-Nee Chow (SNC ume) 16 (2004), pp. 469-515.
  191. Asymptotic rates and blowup for the minimal energy function for the null controllability of thermoelastic plates: The free case (with G. Avalos), Lecture Notes in Pure and Applied Mathematics, Marcel Dekker, 242 (2005), pp. 1-20.
  192. Attractors and their structure for semilinear wave equations with nonlinear boundary dissipation (with I. Chueshov and M. Eller), invited paper for Buletin de Socieda Paramanese de Matematica 22(1) (2004), pp. 38-57.
  193. Carleman estimates at the H1 and L2 level for nonconservative Schrödinger equations with unobserved Neumann B.C. (with R. Triggiani and X. Zhang), Archives of Inequalities and Applications 2 (2004), pp. 215-339.
  194. Kolmogorov's entropy for a class of invariant sets and dimension of global attractors for second order equations with nonlinear damping (with I. Chueshov), Lecture Notes in Pure and Applied Mathematics, Marcel Dekker, 242 (2005), pp. 50-71.
  195. Finite dimensionality of the attractor for a semilinear wave equation with nonlinear boundary dissipation (with I. Chueshov and M. Eller), Communications in Partial Differential Equations 25(11-12) (2004), pp. 1847-1876.
  196. On nonlinear wave equations with degenerate damping and source terms (with V. Barbu and M. Rammaha), Transactions of American Mathematical Society 357 (2005), pp. 2571-2611.
  197. Global exact controllability of semilinear wave equations by a double compactness/uniqueness argument (with R. Triggiani), Discrete and Continuous Dynamical Systems (2005), pp. 556-566.
  198. A trace regularity result for thermoelastic equations with applications to optimal boundary control (with P. Acquistapace and F. Bucci), Journal Mathematical Analysis and Applications, 310 (2005), pp. 262-277.
  199. Tangential boundary stabilization of Navier Stokes equation in 3-dimensional bounded domain (with V. Barbu and R. Triggiani), Memoirs of American Mathematical Society, 181 (2005), pp. 1-25.
  200. Exact controllability of finite energy states for an acoustic wave/plate interaction under the influence of bound­ary and localized controls (with G. Avalos), Advances in Differential Equations 10(8) (2005), pp. 901-930.
  201. Existence and uniqueness of solutions to wave equations with nonlinear degenerate damping and source terms (with V. Barbu and M. Ranunaha), Control and Cybernetics, special volume dedicated to C. Olech, 34(3) (2005).
  202. Optimal boundary control and Riccati theory for abstract dynamics motivated by hybrid systems of PDE's (with P. Acquistapace and F. Bucci), Advances in Differential Equations, 10 (2005), pp. 1389-1436.
  203. Abstract settings for tangential boundary stabilization of Navier-Stokes equations by high- and low-gain feedback controllers (with V. Barbu and R. Triggiani), Nonlinear Analysis, 64 (2006), pp. 2704-2747.
  204. Sharp uniform decay lates at the L2(Ω)-level of the Schrödinger equation with nonlinear boundary dissipation, Journal of Evolutions Equations, to appear.
  205. Long-time behavior of second-order evolution equations with nonlinear damping (with I. Chueshov), Memoirs AMS, to appear 2008.
  206. Existence, uniqueness of weak solutions and global attractors for a class of nonlinear 2D Kirchhoff-Boussineq models (with I. Chueshov), Discrete and Continuous Dynamical Systems 15 (2006), pp. 1-34.
  207. Energy decay rates for semilinear wave equation with nonlinear localized damping and source terms (with D. Toundykov), Nonlinear Analysis, 64 (2006), pp. 1757-1797.
  208. Long time dynamics of von Karman semi-flow with nonlinear boundary interior damping (with I. Chueshov), JDE, 233 (2007), 42-86.
  209. Uniqueness and continuous dependence on the initial data for a class of non-linear shallow shell problems (with J. Cagnol, C. Lebiedzik, R. Marchand), C. R. Acad. Sci. Paris, ser I 342(9) (2006), pp. 711-716.
  210. Blowup estimates for observability of thermoelastic systems (with T. Seidman), Asymptotic Analysis, 50 (2006), 93-120.
  211. Global attractor to a composite system of nonlinear wave and plate equation (with F. Bucci and I. Chueshov), Communications on Pure and Applied Analysis, 6 (2007), 113-140.
  212. Local exponential stabilization strategies of the Navier Stokes equations, D = 2,3, via feedback stabilization of its linearization (with V. Barbu and R. Triggiani), Proceedings of Oberwolfach Conference, Birkhauser-Verlag, 155 (2007), 13-47.
  213. Global attractors for Mindlin-Timoshenko plates and for their Kirchhoff limits (with I. Chueshov), invited paper, Milan J. of Mathematics 99 (2006), 1-22.
  214. Blow-up of generalized solutions to wave equations with nonlinear degenerate damping and source terms (with V. Barbu and M. Rammaha), Indiana University Mathematics Journal, 56 (2007), 995-1021.
  215. Hadamard wellposedness for a class of non-linear shallow shell problems (with J. Cagnol, C. Lebiedzik, and R. Marchand), Nonlinear Analysis, 67 (2007), 2452-2484.
  216. Long time dynamics of semilinear wave equation with nonlinear damping and critical exponents (with I. Chueshov), Contemporary Mathematics, AMS, 426 (2007), 153-193.
  217. Gevrey's and trace regularity of a semigroup associated with beam equation and non-monotone boundary conditions (with B. Velinskiy), Journal Mathematical Analysis and Applications, 332(1) (2007), 137-154.
  218. Riccati equations for the Bolza problem arising in boundary/point control problems governed by semigroups satisfying a singular estimate (with A. Tuffaha), Journal of Optimization, Theory and Applications, 136 (2008), 229-246.
  219. Wellposedness and optimal decay rates for wave equations with nonlinear boundary damping-source interaction (with M. Cavalcanti and V. Domingos), Journal of Differential Equations 235 (2007), 407-459.
  220. Backward uniqueness in linear thermoelasticity with time and space variable coefficients (with H. Koch), Functional Analysis and Evolution Equations, Gunter Lumer Volume (2007), 389-403.
  221. Existence of the energy level weak solutions for a nonlinear fluid-structure interaction model (with V. Barbu, Z. Grujic, A. Tuffaha), AMS Contemporary Mathematics, 440 (2007), 55-83.
  222. Riccati equations arising in boundary control of fluid structure interactions (with A. Tuffaha), Int. Journal of Computer Science and Mathematics, invited paper for the inaugural issue, 1 (2007), 128-147.
  223. Long term dynamics of semilinear wave equation with nonlinear localized interior damping and a source term of critical exponent (with I. Chueshov and D. Toundykov), Discrete and Continuous Dynamical Systems, 20 (2008), 459-509.
  224. Smoothness of weak solutions to a nonlinear fluid-structure interaction model (with V. Barbu, Z. Grujic, and A. Tuffaha), Indiana University Mathematics Journal, 57(3) (2008), 1173-1207.
  225. Stability of higher-level energy norms of strong solutions to a wave equation with localized nonlinear damping and a nonlinear source term (with D. Toundykov), Control and Cybernetics, invited paper in honor of S. Rolewicz, 36(3) (2007), 681-711.
  226. Attractors and long time behavior of von Karman thermoelastic plates (with I. Chueshov), Applied Mathematics and Optimization, to appear 2008.
  227. Uniqueness of weak solutions for the semilinear wave equations with supercritical boundary/interior sources and damping (with L. Bociu), Discrete and Cont. Dyn. Systems, 22(4) (2008), 835-860.
  228. Regularity of higher energies of wave equation with nonlinear localised damping and a nonlinear source (with D. Toundykov), Nonlinear Analysis, 69 (2008), 898-910.