Numerical methods, equations of mathematical physics.
Main publications:
Olisaev E. G., Lafisheva M. M., “O skhodimosti raznostnoi skhemy dlya uravneniya parabolicheskogo tipa s nelokalnym usloviem v tsilindricheskikh koordinatakh”, Vladikavkazskii matematicheskii zhurnal, 4:2 (2002), 50–56
È. G. Olisaev, M. M. Lafisheva, “On the convergence of a difference scheme for a parabolic-type equation with a nonlocal condition in cylindrical coordinates”, Vladikavkaz. Mat. Zh., 4:2 (2002), 50–56