Communications to International Congresses (since 1994)

-  Symposium on Trends in Applications of Mathematics to Mechanics (STAMM 94). Lisbon (July 94)

-  Structure and Dynamics of nonlinear waves in fluids. IUTAM Symposium.Hannover (Aug. 94).

-  Problèmes mathématiques dans la théorie des ondes hydrodynamiques. Colloque du CIRM - Luminy (May 1995)

-  4th International conference on Navier-Stokes equations and related nonlinear problems. Toulon (May 1995)

-  3rd International Congress on Industrial and Applied Mathematics. ICIAM Hamburg (July 1995)- chairman for a minisymposium

-  9th International Couette - Taylor Workshop. Boulder, Colorado (Aug. 1995)

-  Oberwolfach. Dynamical systems Methods in Fluid Dynamics. (July 1996)

-  Athenes. 2nd World Congress of Nonlinear Analysis. (July 1996)

-  Vancouver. Internat. Workshop on Theor. and Num. Fluid Dynamics (July-Aug. 1996)

-  XIX th International Congress of Theoretical and Applied Mechanics, Kyoto (Aug. 1996)

-  Warwick. Workshop on time-reversal symmetry in dynamical systems. (Dec. 1996)

-  Varenna. Internat. Conf. on Navier-Stokes equ. Theory and numerical methods. June 1997

-  10th International Couette - Taylor Workshop. Paris, (July 1997)

-  EUROMECH 376. Waves in two-phase flows. Istanbul (Turquie), April 98

-  IUTAM Symposium on Three-dim aspects of problems in air/sea interaction. Nice (May 1998)

-  Int. Congress of Mathematicians, Berlin (Aug. 98), invited speakerICM Berlin

-  Congrès GAMM (German Applied Math and Mech), Metz, april 99, invited speaker

-  Austral. Math. Soc. 43rd Annual Conf., Melbourne (Australia), July 99

-  EQUADIFF 99, Berlin. Chairman of the Minisymposium "steady water waves", Aug 99

-  EUROMECH 3rd Europ. Nonlinear Oscill. Conf. Lyngby (Danemark), Aug 99, invited speaker

-  Symposium on Trends in Applications of Mathematics to Mechanics (STAMM 2000), Galway (Ireland). July 2000

-  3nd World Congress of Nonlinear Analysis, Catania (Italy). (July 2000) (one hour speaker)

-  XX th International Congress of Theoretical and Applied Mechanics, Chicago (Aug. 2000)

-  Oberwolfach. Recent developments in the mathematical theory of water waves (Feb. 2001)

-  Int. meeting "Contemporary Challenges in Applied Fluid Mechanics". Capo Miseno (June 2001)

-  WASCOM 2001. Conf. on waves and stability in continuous media. Porto- Ercole (June 2001)

-  1er Congrès Franco-Américain de Maths AMS-SMF. Lyon (July 2001)

-  Spitafields day on Surface water waves. I.Newton Institute, Cambridge (Aug 2001)

-  Conference on Nonlinear Analysis. Kloster Irsee, Germany (Jan 2002) (invited main speaker)

-  Workshop on Dynamical systems methods in nonlinear wave equations (Juil 2002), Loughborough (GB)

-  Dynamical system methods in fluid dynamics (Juil 2002), Oberwolfach, (All.)

-  Int. Conf. Navier-Stokes equations and applications (NSEQ-8), Sept 2002, St Petersbourg (Russie)

-  Symposium on Trends and Applications of Mathematics to Mechanics (STAMM2002), Oct 2002, Maiori (Italie)

-  IMACS Nonlinear evolution equations and wave phenomena (April 2003) Athens, Georgia, USA

-  Workshop on interfacial waves (May 2003) Loughborough (GB)

-  WASCOM 2003. Conf. on waves and stability in continuous media (June 2003). Villassimius, Sardinia, Italy

-  EQUADIFF 2003 (July 2003) Hasselt, Belgium

-  EUROMECH Fluid Mech Conference (Aug. 2003) Toulouse, France

-  Workshop "Géométrie, Systèmes dynamiques et Mécanique céleste", in honor of A.Chenciner, oct. 2003, Paris

-  Workshop on bifurcation theory and spatio-temporal pattern formation (Dec. 2003) Fields Institute, Toronto, Canada

-  Workshop Bifurcation theory and nonlinear waves. (juin 2004) Lausanne, Suisse

-  Colloque Daniel Euvrard. Les méthodes mathématiques et numériques pour la physique et la mécanique. (Juillet 2004). Paris, France

-  XXI th International Congress of Theoretical and Applied Mechanics, Warsaw (Aug. 2004) , Poland

-  SIAM Nonlinear Waves and coherent structures, Orlando, Florida, USA (Oct 04)

-  Congrès GAMM (German Applied Math and Mech), Luxembourg, March 2005

-  IMACS Nonlinear evolution equations and wave phenomena (April 2005) Athens, Georgia, USA (cochairman of minisymposium)

-  Waves 05, June 2005, Brown University, Providence (USA)(invited)

-  2nd International Conference on Nonlinear Normal Modes and Localization in Vibrating Systems. Samos, Greece, June 2006 (invited)

-  Symposium on Trends and Applications of Mathematics to Mechanics (STAMM2006), July 2006, Vienna (Austria) (invited)

-  IUTAM Symposium on Hamiltonian Dynamics, Vortex Structures, Turbulence. Moscow, Russia, August 2006 (invited)

-  SIAM Nonlinear Waves and coherent structures, Seattle, USA (Sept 2006) (cochairman of minisymposium)

-  Oberwolfach (Germany). Mathematical theory of water waves. (Nov. 2006)

-  Lausanne, Bernoulli center - EPFL, Perspectives en dynamique des fluides. (Dec. 2006)

-  IMACS Nonlinear evolution equations and wave phenomena (April 2007) Athens, Georgia, USA (Scientific Committee)

-  Dynamics Days (July 2007) Loughborough (GB) (Scientific Committee)

-  ICIAM07 (International Congress on Industrial and Applied Mathematics, July 2007) Zurich, Switzerland, (cochairman of 2 minisymposia)

-  Equadiff 2007 (International Conference on Differential equations, Wien, Austria (August 2007). Talks in 2 minisymposia

-  Workshop on Recent advances in functional and Delay Differential equations (Nov. 2007) Halifax, Canada (plenary speaker)

-  Workshop on Lattice models (July 2008) Bath, U.K. (plenary speaker)

-  SIAM Nonlinear Waves and coherent structures,  Rome, Italy (July 2008).

-  9ème Colloque Franco-Roumain de Mathématiques Appliquées. Brasov, Roumanie (Août-Sept. 2008) (invited conf.)

-  Int. Conference "Differential Equations. Function Spaces. Approximation theory". Novosibirsk, Russia (Oct. 2008) (invited conf.)

- Workshop "Large amplitude internal waves". ICMS, Edinburgh, Scotland (Dec. 2008)

- CPNLW-09 Solitons in their Roaring Forties: Coherence and Persistence in monlinear waves. Nice, France (Jan2009)

- Rencontre du Non-linéaire. Paris, (March 2009) (plenary lecture)

- Variational and Topological Methods and Water waves, Bath, G.B. (May 2009)

- 2nd Int. Congress of Serbian Soc. Mechanics. Palic, Subotica, Serbia (June 2009) (plenary lecture). 

- Congrès Français de Mécanique CFM2009 Marseille (August 2009) (invited lecture)

- International Conference on Asymptotics in dynamics, geometry and PDEs; generalized Borel summation. Pisa, Italy (Oct. 2009)

- 12th International Workshop on Instabilities and Nonequilibrium Structures. Viña del Mar, Chile (Dec 2009)

- 8th AIMS International Conference on Dynamical systems, Differential equations and Applications. Dresde, Germany (May 2010)

- Mathematical challenges and modelling of hydroelasticity. ICMS Edinburgh, UK (June 2010)

- Workshop "KAM and Cauchy theory for PDE". Ravello, Italy (May 2011)  

- From Chaos to complexity (Les Houches 30th birthday). Warwick, UK (july 2011)

- Equadiff 2011 (International Conference on Differential equations. Loughborough, UK (August 2011)

- Russian - French Workshop on Mathematical Hydrodynamics. Lake Baikal, Irkutsk, Russia (Sept. 2011) co-organizer

- Symposium on Recent Trends in Dynamical Systems. Munich, Germany (Jan. 2012)

- International Conference "Differential Equations. Function Spaces. Approximation Theory" dedicated to the 105th anniversary of S.Sobolev. Novosibirsk, Russia (Aug. 2013). (Plenary lecture)

- Congrès Français de Mécanique. Bordeaux, France (Aug. 2013) (Introductive Lecture)

- 12ème Congrès de Mécanique. Casablanca, Maroc (Avril 2015) (Conférence pleinière)

- Conference on Dynanical Systems and Geometric Mechanics, Munich (June 2017) (in honor of J.Scheurle)

- Workshop on Ice-fluid interaction, Newton Institute, Cambridge UK (October 2017)