A member of the Moscow Mathematical Society and the American Mathematical Society.
A member of the Editorial Boards of the journals "American Journal of Computational Mathematics", "Communications in Mathematics and Applications", "International Journal of Advances in Applied Mathematics and Mechanics" and "International Journal of Education".
2012 DSc, Doctor of physical and mathematical sciences, Dissertation "Optimal methods of approximation of functions by generalized polynomials and wavelets", Real, Complex and Functional Analysis, Peoples' Friendship University of Russia, Moscow, Russia.
1981 PhD, Candidate of physical and mathematical sciences, Dissertation "Investigations of Asymptotic and Approximative Properties of Faber-Erokhin Basis Functions", Mathematical Analysis, Moscow Region Pedagogical Institute, Moscow, Russia.
1975 Diploma (M.S.) in Mathematics, Uralsk State Pedagogical Institute, Department of Physics and Mathematics, Uralsk, USSR.
Research Areas: Mathematical Analysis, Wavelet Theory, Dyadic Analysis, Approximation Theory, etc.