2011

International Conference on Applications of Optics and Photonics,
(Universidade do Minho, Braga, Portugal, May 3 to 7, 2011) lecture;

2010

III Workshop on Modern Trends in Field Theory,
(21-23 of Octouber, 2010, Porto, Portugal) invited lecture;

SIAM Conference on Nonlinear Waves and Coherent Structures,
(16-19 August, Physladelphia, Pensilvania, USA) poster

First Porto Meeting on Theory and Experiment in Nonlinear Physics,
(7-9 of July, 2010, Porto, Portugal) poster

Nonlinear phenomena in quantum degenerate gases
(Universidade de Vigo, Ourense, Spain, April 12-16, 2010) lecture

2009

Localized Excitations in Nonlinear Complex Systems (LENCOS)
(Sevilla (Spain) July 14-17, 2009) lecture

Eighth International Conference "Symmetry in Nonlinear Mathematical Physics"
(Institute of Mathematics, National Academy of Sciences of Ukraine, Kyiv (Kiev), Ukraine, June 21-27, 2009) lecture

2007

The Fifth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena: Computation and Theory
(The University of Georgia, USA, April 16-19, 2007) lecture

2006

International Conference ?Statistical Physics 2006. Condensed Matter: Theory and Applications?
(Kharkiv, Ukraine, 11-15 September, 2006) poster

SOLITONS AND NONLINEAR PHENOMENA IN DEGENERATE QUANTUMGASSES
(Cuenca, Spain, 27-30 September, 2006) Invited speaker

2005

Sixth Conference "Symmetry in Nonlinear Mathematical Physics" (SNMP'05)
(Kyiv, Ukraine, June 20-26, 2005) oral

CLEO®/Europe-EQEC 2005
(International Congress Centre, Munich, Germany, 12 - 17 June, 2005) poster

SOLIBEC: "Solitons in Bose-Einstein Condensates?
(Almagro, Spain, February 9-12, 2005) Invited speaker

2004

Workshop on Ultracold Fermi  Gases
(Levico, Trento, Italy, 4-6 March, 2004) poster

2003

Workshop "A Física na Faculdade de Ciências"
(Lisbon, Portugal, 25-26 Setembro, 2003) oral

27th Workshop: INTRINSIC LOCALIZED MODES AND DISCRETE BREATHERS IN NONLINEAR LATTICES
(ERICE-SICILY, Italy, July 21-27, 2003) poster

2002

NATO Advanced Research Workshop "Nonlinear Waves: Classical and Quantum Aspects"
(ESTORIL, PORTUGAL, 13-17 July, 2002) oral

Third conference organized in the framework of the Europian LOCNET Project. "Localization and Energy Transfer in Nonlinear Systems"
(San Lorenzo de El Escorial, Madrid, Spain, June 17-21, 2002) oral

2000

Conference on computational physics 2000 New Challenges for the New Millennium
(Gold Coast, Queensland, Australia, 3-8 December, 2000) poster

International Conference "Supersymmetry and Quantum Field Theory"
(NSC KIPT, Kharkov, Ukraine, 25-29 July, 2000) oral

International Workshop on "Nonequilibrium Physics at Short Time Scales"
(Dresden, Germany, 29 May - 23 June, 2000) oral

1999

XIV International School-Seminar "Spectroscopy of Molecules and Crystals"
(Odessa, 7-12 June, 1998) oral

1998

Memorial Symposium in honour of academician Smirnov "Order in metals and alloys"
(Kiev, 16-19 November, 1998) oral

The Conference on Physics of Biological Systems (with international participation)
(Kiev, 1998) poster

First International Workshop "Nucleation and Non-Linear Problems in the First-Order Phase Transitions"
(S.-Peterburg, 29 June - 3 July, 1998) poster

1997

Seminar at the Department of Polymers of Physical-Mathematics Faculty of Karlov University Prague
(Chech Republic, December, 1997) oral

III International Workshop "Aerospace complex: conversion and technology"
(Zhytomir, 9-11 September, 1997) oral

I International School-Seminar "Spectroscopy of Molecules and Crystals"
(Sumy, Ukraine, 20-26 April, 1997) oral;

Participation in Organizing and/or Scientific Committees

Member of the Organizing Committee of NATO Advanced Research Workshop ?Nonlinear Waves: Classical and Quantum Aspects?
(Estoril, Portugal, 12-17 de Julho de 2003)

Chairman of the seminar at the Center of Theoretical and Computational (2005, 2006)