Karen Yagdjian, Ph.D.


Karen Yagdjian, Ph.D.
Associate Professor
Education: 
 • Dr. Sci. in Mathematics, Moscow State Lomonosov University, 1990, Moscow, Russia 
 • Ph.D. in Mathematics, Tbilisi State University, 1979, Tbilisi, Georgia.
 • M.S. in Physics, Yerevan State University, Yerevan, Armenia.
Research Interest: 
Hyperbolic Equations, Pseudo-differential operators, Fourier Integral Operators Theory, Microlocal Analysis, Nonlinear Partial Differential Equations, Nonlinear Geometric Optics, Mathematical Cosmology
Recent Selected Publications:
 •  "Fundamental Solutions for the Klein-Gordon Equation in de Sitter Spacetime." Communications in Mathematical Physics, Vol. 285, Number 1/ January, (2009) 293-344, with A. Galstian
 •  "Fundamental solutions of the wave equation in Robertson-Walker spaces", J. Math. Anal. Appl. 346 (2008), no. 2, 501-520, with A. Galstian
 •  "The self-similar solutions of the one-dimensional semilinear Tricomi-type equations."  J. Differential Equations 236(2007), no. 1, 82-115.
 •  "Global existence for the n-dimensional semilinear Tricomi-type equations, "Communications in Partial Differential Equations,Vol. 31 (2006), 907-944.
E-mail: yagdjian@utpa.edu
Phone: (956) 381-2145
Office: MAGC 3.738
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