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