Harmonic analysis and approximations” September, 1998, Nor Amberd, Armenia
Djrbashian Memorial Conference, Yerevan, Armenia, 1998
“Harmonic analysis and approximations, I” September , 1998, Nor Amberd, Armenia“Harmonic analysis and approximations, II” September , 2001, Nor Amberd, Armenia
Isaac International Conference, 2002, Yerevan, Armenia.
Seventh Int. Symposium on Orthogonal Polynomials, Special Functions and Applications, Copenhagen, Denmark, August 18-22, 2003
International Conference, Mathematics in Armenia, Advances and Perspectives, September 30 - October 7, 2003, Tsahkadzor, ARMENIA
12th Saratov winter school, " Modern problems of the theory Functions and their application ", 2004,. Saratov, Russia.
The first International Workshop on Polynomial Orthogonality and Applications, Annaba, Algeria, 2004
Approximation and Harmonic Analysis, Auckland, New Zealand, 2005
International Conference of Numerical Analysis and Applied Mathematics, ICNAAM , 2005
“Harmonic analysis and approximations, III” September , September 20 - 27, 2005, Tsahkadzor, ARMENIA
International Conference on Harmonic Analysis and Ergodic Theory, December 2-4, 2005, Chicago, USA
HARMONIC ANALYSIS AND RELATED PROBLEMS, Zaros, Crete, Greece19-23 June 2006