Symposium Continuum Models and Discrete Systems 6 , June 1989,
Dijon, France. Invited speaker.
International Conference on Stochastic Methods in Experimental Sciences,
COSMEX-89, Szklarska Poreba, Poland, September 1989,
Invited speaker.
Summer School, Almeria, Spain, August 1991. Invited lecturer.
Summer School "Ondas y Olas", Almeria, Spain, July 1992. Invited
lecturer.
Meeting-Workshop on Mixing in Geophysical Flows, Barcelona, Spain,
December 1992. Invited speaker and session chairman.
ESA Interfacial Phenomena Symposium, Madrid, February 1993. Invited
speaker and session chairman.
General Assembly of European Geophysical Society, Wiessbaden,
April 1993. Invited speaker.
International Conference "New trends in Pattern Formation in Active
Nonlinear Media", Santiago de Compostela, Spain, July 1993. Invited
speaker.
NATO Grand Final "Chaos, Order and Patterns", Como, Italy, September
1993, Invited speaker.
European Physical Society - Condensed Matter Division, 14th
General Conference, Madrid, March 1994, Invited Speaker and
session chairman.
Third International Conference on Numerical Methods and
Applications O(h3), Sofia, Bulgaria, August 1994. Invited
speaker.
Summer School "Caos y Turbulencia", Santander, Spain,
September 1994. Invited lecturer.
Summer School "Técnicas experimentales y metodos
numéericos", Santander, Spain, September 1995. Invited
lecturer.
Summer School "Application of Mathematics'',Sozopol, Bulgaria,
September 1996. Invited lecturer and session chairman.
Programme "Atmosphere and Ocean Dynamics'', Newton Institute,
Cambridge, Oct.-Dec. 1996. Invited participant.
International Conference on Differential Equations and
Nonlinear Mechanics, Orlando, March 17-19, 1999.
International Conference on Dynamic Systems and Applications,
Atlanta, May 26-29, 1999.
Regional Meeting of the Southeastern Section of the American
Mathematical Society, Lafayette, Louisiana, April 2000.
Invited speaker and organizer of special session.
Second International Workshop on Scientific Computing and
Applications, Kananaskis, Canada, May 2000. Invited speaker
and session chairman.
Minisymposium on Computational Mathematics, Thirtieth Spring
Conference of the Union of Bulgarian Mathematicians, Borovets,
April 8-11, 2001. Invited Speaker.
Second International Conference on Acoustics, Noise and
Vibration August 6-8, 2001 Ottawa, Ontario, CANADA. Key lecturer.
Fourth World Congress on Nonlinear Analysis, Orlando, Florida,
June 30 -July 07, 2004. Invited speaker and session organizer.
International Symposium on Interdisciplinary Science, Natchotches,
October 06-08, 2004.
Fourth IMACS International Conference on Nonlinear Evolution Equations and Wave
Phenomena: Computation and Theory. Athens, GA, April 11-14 , 2005
5th International Conference on "Large-Scale Scientific Computations'",
June 6-10, Sozopol, Bulgaria.
31st Conference "Applications of Mathematics in Engineering and Economics",
June 5-10, 2005, Sozopol, Bulgaria.
International Conference "FPU+50. Nonlinear wave 50 years after
Fermi, Pasta and Ulam", Rouen, France, 21-15 June, 2005.
Meeting of Louisiana Academy of Sciences, Lafayette, March 10, 2006
International Conference on Hybrid Systems and Applications, Lafayette,
Louisiana, 22-26 May 2006. Organized special session "Discrete out of
Continuous: Coherent Structures and Solitons".
IMACS8 on Iterative Methods, Texas A & M University, November 17, 2006
Fifth IMACS International Conference on Nonlinear Evolution Equations and
Wave Phenomena: Computation and Theory. Athens, GA, April 16-19 , 2007,
(invited speaker and session organizer).
33st Conference Applications of Mathematics in Engineering and Economics,
June 8-14, 2007, Sozopol, Bulgaria. (invited speaker, special session
organizer, member of the Program Committee).
4th Advanced Research Workshop "Gravity, Astrophysics, and Strings @ the
Black Sea" GAS'07, 10-16 June 2007, Kiten, Bulgaria (inited speaker).
Institute of Hydrodynamics, Siberian Branch of Russian
Academy of Sciences, Novosibirsk, Russia, January 1978.
Institute of Theoretical and Applied Mechanics, Siberian
Branch of Russian Academy of Sciences, Novosibirsk,
Russia, January 1978.
Institute of Thermophysics, Siberian Branch of Russian
Academy of Sci ences, Novosibirsk, Russia, March 1984.
Institute of Thermophysics, Siberian Branch of Russian
Academy of Sciences, Novosibirsk, Russia, January 1986.
Computer Center of Siberian Branch of Russian Academy of Sciences,
Novosibirsk, Russia, 1989.
Institute for Problems in Mechanics, Russian Academy of Sciences,
Moscow, Russia, 1989.
Dept. of Physics, Universidad Complutense, Madrid, November 1990.
Laboratoire de Physique Theorique des Liquides, University Paris VI,
January 1991.
Laboratoire D'Aerothrmique, CNRS, Meudon, France, February 1991.
Institute of Statistical Theory of Turbulence, University of Marseille,
May 1991.
Centre for Nonlinear Phenomena and Complex Systems,
Service de Chimie Physique, Université Libre de Bruxelles, September
1992.
Dept. of Applied Mathematics, Universidad Complutense, March 1993.
Service de Chimie Physique, Université Libre de Bruxelles, March 1993.
Laboratoire de Modélisation en Mécanique, Université
Pierre et Marie Curie, Paris, March 1993.
Dept. of Mathematics and Mechanics, University of Caen, March 1993.
Dept. of Mathematics, University of Oslo, June 1993.
Seminar on Fluid Mechanics, School of Aeronautical Engineering,
Madrid Polytechnics, June 1993.
Institute of Oceanography, Sidney, Canada, August 1993.
Dept. of Aerospace Engineering, University of Michigan, September
1993.
Dept. of Mathematics, University of Reading, Oct. 1993.
Dept. of Mathematics, University of Reading, January and February 1994.
UMIST, Dept. Chemical Engineering, University of Manchester, February
1994.
Dept. of Mech. Engineering, University of Surrey, UK, February 1994.
Dept. of Appl. Math. and Statistics, University of Sheffield, UK,
February 1994.
DAMTP, University of Cambridge, February 1994.
Technical University Eindhoven, Netherlands, Session 43 of the Seminar
on fluid dynamics, transport phenomena and condensed matter physics,
November 1994.
Dept. de Mécanique Fondamentale, Université de Sciences et
Technologies de Lille, October 1995.
UMIST, Dept. of Chemical Engineering, University of Manchester, October
1995.
UMIST, Dept. of Chemical Engineering, University of Manchester, October
1996.
Dept. of Technomathematics, University of Bremen, Germany, December 1996.
Dept. of Mathematics, University of Cork, Ireland, March 1997.
Department of Mathematics, Stanford University, February 1998.
Department of Computer Science and Scientific Computations,
Stanford University, March 1998.
Department of Mechanical Engineering, Stanford University, April 1998.
Sandia National Laboratiry, Albuqurque, April 1998.
Department of Mathematics, Texas A & M University, College Station, May
1998.
Depatment of Mathematics, University of Southwestern Louisiana,
Lafayette, June 1998
Laboratoire de Mécanique, Universite de Caen, France, January
2000.
Laboratoire de Modelisation en Mecanique, Université
Paris VI, France, January 2000.
Department of Mathematics, Technical University of Sofia,
April 12, 2001.
Numerical Analysis Seminar, Department of Mathematics,
Texas A \& M University, February 11, 2002.
Department of Computer Science, Mathematics, and
Physics, Chapman University, February 24, 2002.
Department of Mathematics and Computer Sciences,
Clarkson University, March, 28, 2002.
Department of Mathematics, Louisiana State University,
Baton Rouge, October 11, 2002.
Department of Physics, University of Louisiana at Lafayette,
October, 2003.
Navy Research Lab, Stennis Research Center, October 2004.
Department of Physics , University of New Orleans, October 2004.
Department of Physics, University of Louisiana at Lafayette,
March, 2005.
Navy Research Lab, Stennis Research Center, August 2005.
Universit\'e de Caen, France, 27 June 2005
Dept. of Mathematics, Middle Tennessee State University, November 2005.
Dept. of Applied math and Physics, Delaware State University, April 2006.
Dept. of Mathematics, University of Sheffield, UK, April 2006.
Dept. of Chemical Engineering, University of Sheffield, UK, April 2006.
Dept. of Chemical Engineering, UMIST, UK, April 2006.
Naval Research Lab, Stennis, Mississipi, July 14th, 2006.
Seminar on Numerical Analysis, Dept. of Mathematics, Texas A\&M University,
October 11th, 2006.
Dept. of Mathematics, University of Cyprus, December 2006.
Department of Physics, University of Louisiana at Lafayette,
January, 2007.
Dept. of Mathematics, University of Louisiana at Lafayette,
April, 2007.
Dept. of Mathematics, University of Cyprus, May 2007.
Dept. of Mathematics, Higher Institute of Mining, Ostrava,
Tchechoslovakia, 2 weeks, May 1989.
Institute of Thermophysics, Siberian Division of Russian Academy
of Sciences, Novosibirsk, 2 weeks, October 1989.
Institute of Meteorology, Academia Sinica, Beijing, 2 weeks,
December 1989.
Dept. of Physics, UNED, Madrid, 1 month, November 1990.
Dept. of Mechanical Engineering, University of Victoria, Canada, 1
month, August 1993.
Dept. of Mathematics and Mechanics, University of Caen, France,
2 months, May and June 1994.
Centre for Nonliear Phenomena and Complex Systems, Université
Libre de Bruxelles, Belgique, 2 weeks, August 1996.
Centre for Nonliear Phenomena and Complex Systems, Université
Libre de Bruxelles, Belgique, 2 weeks, May 1997.
Department of Chemical Engineering, Stanford University, one
week, June 2000.