Geodesic

Mathematical problems in the theory of wave propagation. Part 52

Space-time ray method and quasiphotons of whispering gallery
p. 5-19
Sturm-Liouville operators with $W^{-1,1}$-matrix potentials
p. 20-39
Asymptotic properties of solutions to a certain ultrahyperbolic equation
p. 40-64
On the unitary invariants of the family of one-dimensional subspaces
p. 65-68
On characteristic determinants of boundary value problems for Dirac type systems
p. 69-120
Eigenfunctions of the essential spectrum of the Laplace operator in an angle with the Robin--Neumann boundary conditions
p. 121-134
Homogenization of the multidimensional parabolic equations with periodic coefficients at the edge of a spectral gap
p. 135-175
Asymptotic analysis of the spectrum of a quantum waveguide with a wide Neumann ``window'' in the light of mechanics of cracks
p. 176-237
A method for approximate computation of the scattering matrix in acoustic diffraction gratings
p. 238-252
Asymptotic solutions of the wave equation localized in a tabular vicinity of the geodesics and the Fock problem in $3D$
p. 253-266
Greeping waves in the chadow area of the $3D$ Fock problem
p. 267-274