Մաթեմատիկայի և մեխանիկայի ֆակուլտետ
Faculty of Mathematics and Mechanics
Training of specialists-mathematicians started in the YSU in 1924, in the physical - mathematical subsection of Social Science Department which became Physical-mathematical Department in 1993.:
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Rafayel H. Barkhudaryan

Assistant | Chair of Financial
Education
1998 - 2002: YSU, Faculty of Mathematics, bachelor
2002 - 2004: YSU, Faculty of Mathematics, magister

Academic degree
PhD – “Convergence acceleration of expansions by eigenfunctions of some boundary value problems“, 2007, YSU

Professional experience
2000 – 2005: Programmer Boomerang Software LLC (programmer)
2004 – 2007: Junior researcher, Institute of Mathematic
2007: Scientific Secretary, Institute of Mathematics
2005 – 2007: YSU, Faculty of Mathematics, lecturer 0.5
2007: YSU, chair of ”Theory of optimal control and approximate methods”, assistant 0.5

Academic courses
Mathematical Packages, Numerical methods for solving PDE's, Numerical analysis, Variation calculus and optimal control

Scale of professional interests
Numerical Analysis,
Padé approximation,
Scientific Computing,
Parallel Processing.

Participation in grant projects
2005 – 2006: Participation in the Project ISTC A-823
2006 – 2007: NFSAT GRSP - 18/06

Languages
Armenian, Russian, English

Professional membership
Scientific council of the Institute of Mathematics
Editorial board of Armenian Journal of Mathematics

(+374 10) 55-31-86

Gibbs phenomenon for the one-dimensional Dirac system
2008 | Article
International Conference, Harmonic Analysis and Approximations, IV(2008), p. 23-25
Convergence acceleration of eigenfunction expansions of the one-dimensional Dirac system
2007 | Article
AIP Conference Proceedings, 936(2007), p. 86-89
R. H.Barkhudaryan , A.V. Poghosyan
Asymptotic behavior of Eckhoff's method for Fourier series convergence acceleration
2007 | Article
Analysis in Theory and Applications, 23(2007), № 3, p.228-242
R. H.Barkhudaryan , A. V.Poghosyan
On the convergence of some quasipolynomial approximation
2007 | Article
Reports of NAS RA (in Russian), 107(2007), № 1, p.13-19
Barkhudaryan R. H. , A. B. Nersessian
Convergence acceleration of decomposition by eigenfunctions of a model boundary value problem with a discontinuous coefficient
2006 | Article
Reports of NAS RA (in Russian), 106(2006), № 1, p. 5-12
Generalization of polynomial method for expansion by Dirac’s system eigenfunctions
2006 | Article
Proceedings of the workshop “Mathematical Physics and Adjacent Problems”, Yerevan , September 2006, p.24-30
Accelerating convergence of expansions by eigenfunctions of Dirac system
2006 | Article
Mathematics in higher school, 2(2006), № 3, p. 54-62
R. H.Barkhudaryan , A.B. Nersessian, A.V. Poghosyan
Accelerating convergence of Fourier series
2006 | Article
Journal of Contemporary Math. Anal., 41(2006), № 2, p. 42-55
R. H.Barkhudaryan , A.B. Nersessian, A.V. Poghosyan
On a Parallel Algorithm for Integral Equations
2005 | Article
Proceedings of the CSIT-2005 conference “Computer Science and Information Technologies”, Yerevan, September 19-23, 2005, p. 457-460