Zap. Nauchn. Sem. LOMI, 1981, Volume 117

RUS ENG

JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

1981, Volume 117

|

General information

|

Contents

|

Mathematical problems in the theory of wave propagation. Part 12

	Complex space-time ray method and “quasifotons” V. M. Babich, V. V. Ulin		5
	The Field of Nonregular Short Wave scattered by a Smooth Convex Object in Penumbra I. Y. Bylyi		13
	Parabolic Equation Method for Anisotropic Elastic Media I. Y. Bylyi		27
	Asymptotic methods in the problems of asoustics propagation in ocean waveguide and their number realization. V. S. Buldyrev, V. S. Buslaev		39
	Two-scales expansions of quasinormal waves in irregular refractive wave guides. Conditions of their applicability for high frequencies V. S. Buldyrev, N. S. Grigor'ev		78
	Structure of the acoustics field near the surface of deep sea V. S. Buslaev		98
	The edge rays inside a parabolic screen A. Ya. Kazakov, O. V. Graunov		112
	The inverse problems of the linear transport theory for the case of a flat layer of a medium scattering and absorbing radiation A. Ya. Kazakov		123
	The weak inhomogeneous optical fiber A. P. Katchalov		134
	Space-time caustic of elastic short wave field N. Ya. Kirpichnikova		147
	On the nonlinear analogue of the WCB method and the method of the averaged lagrangian Ya. V. Kurylev		162
	On the number of quasimodes of the “bouncing ball” type V. F. Lazutkin, D. Ya. Terman		172
	On a perturbation of the poles of scattering matrix for varying baundary condition S. V. Petras		183
	On descreteness of scattering eigenfrequences of periodic cascade S. V. Sukhinin		192

© Steklov Math. Inst. of RAS, 2024