Geodesic

Tome 177 (2013) no. 3

Sommaire

New formulas for Maslov's canonical operator in a~neighborhood of focal points and caustics in two-dimensional semiclassical asymptotics
p. 355-386
Darboux transformations and recursion operators for differential--difference equations
p. 387-440
Formal diagonalization of a~discrete Lax operator and conservation laws and symmetries of dynamical systems
p. 441-467
Separation of variables for some systems with a~fourth-order integral of motion
p. 468-481
Spectral properties of a~two-particle Hamiltonian on a~lattice
p. 482-496
Exact solution of the~one-dimensional time-dependent Schr\"odinger equation with a~rectangular well/barrier potential and its applications
p. 497-517