Khachatur Khachatryan (), (1 July 1982, Armenia) is an Armenian scientist and mathematician.
Early life and education
Khachatur Khachatryan was born on July 1, 1982, in Yerevan, Armenia.
In 1998 graduated from Phys. math. school No. 1 named after A. Shahinyan with honors. He graduated from the Faculty of Mathematics of Yerevan State University in 2004 with honors (Department of Differential Equations and Functional Analysis).
In 2004, he entered graduate school (aspirant) at Yerevan State University. In 2006, in the specialized council 050 of Yerevan State University, he defended his PhD thesis on the topic “On factorization methods for solving a certain class of integral and integro-differential equations on the semi-axis.” (specialty 01.01.02 - “Differential equations”), scientific supervisor, Doctor of Phys-Math. sciences, prof. N. B. Yengibaryan, official opponents: Doctor of Phys-Math. sciences, prof. Sergeev, Armen Glebovich, candidate of Phys-Math. sciences, Associate Professor A. G. Kamalyan, Leading organization: Armenian State Pedagogical University.
In 2011, in the specialized council 050 of Yerevan State University, he defended his doctoral dissertation (= habilitation) on the topic “Questions of the solvability of some nonlinear integral and integro-differential equations with non-compact operators in the critical case” (specialty 01.01.02 - “Differential equations”), official opponents: Doctor of Phys-Math. sciences, prof. Zabreiko, Pyotr Petrovich, Doctor of Phys-Math. sciences, prof. A. S. Krivosheev, Academician of the National Academy of Sciences of Armenia, Doctor of Phys-Math. sciences, prof. A. B. Nersesyan, Leading organization: Steklov Mathematical Institute of the Russian Academy of Sciences.
Career
Since 2018 Khachatryan is a full professor of Mathematics, and the scientific supervisor of six candidate dissertations (PhD theses).
He teaches courses in functional analysis, differential equations, equations of mathematical physics, calculus of variations, mathematical analysis, nonlinear operator equations, convolution type equations.
Since 2005, he has been working in the Department of Methods of Mathematical Physics of the Institute of Mathematics of the National Academy of Sciences of Armenia. From 2004 to 2006 and since 2012 he teaches at Yerevan State University (YSU). In 2015-2017 taught at the Yerevan branch of Moscow State University. M. V. Lomonosov (part-time). Since 2019 he has been teaching at the Russian-Armenian Slavic University. Since 2019, the main executor of the Russian Science Foundation grant (project No. 19-11-00223) Moscow State University . From 2020 Head of the Department of Differential Equations, and from 2021, Head of the Department of Theory of Functions and Differential Equations, Yerevan State University.
Scientific interests
Differential equations
Equations of mathematical physics
Nonlinear analysis
Integral and integro-differential equations with Hammerstein and Urysohn type operators Integral equations of convolution type Factorization of integral and integro-differential operators Boltzmann equation p-adic string theory Nonlinear pseudodifferential equations Mathematical modeling of the geographic spread of the epidemic Nonlinear parabolic equations
State awards and honorary titles
2014 Winner of the "Efficient Researcher" competition (Natural Sciences) (Top 100) 2013 1st-class prize of the RA NAS "Best scientific work of 2013" competition, 2013 Winner of the first prize after Sergey Mergelyan for young scientists (Mathematics and Informatics) 2021 Winner of the "Efficient Researcher" competition (Natural Sciences) (Top 100) 2020 Winner of the "Efficient Researcher" competition (Natural Sciences) (Top 100) 2018 Winner of the "Efficient Researcher" competition (Natural Sciences) (Top 100) 2016 Winner of the "Efficient Researcher" competition (Natural Sciences) (Top 100) 2019 Prize of the President of the Republic of Armenia
Memberships
Deputy Chairman of Yerevan State University 050 Professional Council
Member of the editorial board of the Journal of Contemporary Mathematical Analysis Member of Professional Council 058 of Yerevan State University Member of the Scientific Council of the Institute of Mathematics of the National Academy of Sciences of the Republic of Armenia Member of the Scientific Council of the Faculty of Mathematics and Mechanics of Yerevan State University Member of the Scientific Council of the Institute of Mathematics and Informatics of the Armenian-Russian University Member of the Union of Mathematicians of Armenia