Propagation of waves in linear, non-linear, three-dimensional and coupled fields. The solution of the problems of single points of diffraction and caustic waves, as well as solution of problem on vibration of magnet plates by propagation method.

Graduated from MSU(1955), Dr. of Phys. and Math. Sciences (1972), prof. (1993), corr. member (2000).

Chief scientific worker of the Institute of Mechanics of the National Academy of Sciences.

He has published three monographs and about 300 articles in Armenian, Russian and international journals.