## Avetik Arakelyan, Rafayel Barkhudaryan, Michael Poghosyan

**Numerical Solution of the Two-Phase Obstacle Problem by Finite Difference Method**| Armenian Journal of Mathematics. 2015, v. 7, no. 2, p. 164-182 armjmath.sci.am

Assistant | Faculty of Mathematics and Mechanics - Chair of Function Theory and Differential Equations

Arshag Hajian: By the 85th Anniversary
| Armenian Journal of Mathematics, 7, (2), 2015, pp. 80-84 |

Finite difference method for two-phase obstacle problem,
| AIP Conference Proceedings, 1558, (1), 2013, pp. 2249-2252 |

An error estimate for the finite difference scheme for one-phase obstacle problem
| Proceedings of NAS RA - Mathematics, 46, (3), 2011, pp. 3-16
Published translation
Journal of Contemporary Mathematical Analysis 46 (3) , pp. 131-141 (2011) |

Convergence acceleration of expansions by eigenfunctions of some boundary value problems
| Auto-reference of Candidate dissertation. Yerevan, 2007, pp. 1-16 |

Convergence acceleration of expansions by eigenfunctions of some boundary value problems
| Candidate dissertation (manuscript), Yerevan, 2007, pp. 1-77 |