M. G. Abrahamian, V. I. Petviashvili, A. M. Fridman, “The nonlinear perturbations of gravitating disk and spiral structure of galaxies”, Proceedings of the YSU, Physical and Mathematical Sciences, 1988, Issue 3,Pages <nobr>70

Physics

The nonlinear perturbations of gravitating disk and spiral structure of galaxies

M. G. Abrahamian^a, V. I. Petviashvili^b, A. M. Fridman^c

^a Yerevan State University
^b I. V. Kurchatov Institute of Atomic Energy
^c Astronomical Council of the Academy of Sciences USSR, Moscow

Abstract: The nonlinear perturbations of Jeans unstable disks have been investigated and the problem of spiral structure of galaxies from the viewpoint of the nonlinear theory has been considered.

UDC: 524.3

Received: 30.09.1987
Accepted: 14.09.1988