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// Zapiski Nauchnykh Seminarov POMI
// Archive
2022, Volume 516
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General information
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Contents
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Mathematical problems in the theory of wave propagation. Part 52
Space-time ray method and quasiphotons of whispering gallery
V. M. Babich, M. V. Babich
5
Sturm-Liouville operators with
$W^{-1,1}$
-matrix potentials
Ya. I. Granovskiy, M. M. Malamud
20
Asymptotic properties of solutions to a certain ultrahyperbolic equation
M. N. Demchenko
40
On the unitary invariants of the family of one-dimensional subspaces
D. V. Korikov
65
On characteristic determinants of boundary value problems for Dirac type systems
A. Lunev, M. Malamud
69
Eigenfunctions of the essential spectrum of the Laplace operator in an angle with the Robin–Neumann boundary conditions
M. A. Lyalinov, N. S. Fedorov
121
Homogenization of the multidimensional parabolic equations with periodic coefficients at the edge of a spectral gap
A. A. Mishulovich
135
Asymptotic analysis of the spectrum of a quantum waveguide with a wide Neumann “window” in the light of mechanics of cracks
S. A. Nazarov
176
A method for approximate computation of the scattering matrix in acoustic diffraction gratings
B. A. Plamenevsky, A. S. Poretsky, O. V. Sarafanov
238
Asymptotic solutions of the wave equation localized in a tabular vicinity of the geodesics and the Fock problem in
$3D$
M. M. Popov
253
Greeping waves in the chadow area of the
$3D$
Fock problem
M. M. Popov
267
©
Steklov Math. Inst. of RAS
, 2025
