Geodesic

Volume 13 (1979) no. 3

Sommaire

Model algebras and representations of graphs
p. 1-12
Integration of nonlinear equations of mathematical physics by the method of inverse scattering.~II
p. 13-22
Curvature of groups of diffeomorphisms preserving the measure of the $2$-sphere
p. 23-27
Finiteness of quotient groups of discrete subgroups
p. 28-39
Factorization of operators in $L^2(a,b)$
p. 40-45
Ergodic properties of the Lorentz gas
p. 46-59
Topological structure of normally solvable first boundary-value problems in the plane
p. 60-70
Construction of $M$-surfaces
p. 71-72
Representations of the group of local shifts of the space $k^m$, where $k$ is a local non-Archimedean field
p. 73-74
Maximal ideal spaces of invariant algebras
p. 75-76
Continuous spectrum of a one-dimensional Schr\"odinger operator
p. 77-78
Problem of reflection from a boundary for the equation $h^2\square u+а\operatorname{sh}u=0$ and finite-zone conditionally periodic solutions
p. 79-80
A theorem of M. G. Krein and M. A. Rutman
p. 81-82
A geometric criterion for strong linear convexity
p. 83-84
Propagation of singularities of solutions of nonclassical boundary-value problems for the wave equation
p. 85-86
Divergence of series reducing an analytic differential equation to linear normal form at a singular point
p. 87-88
Operators of the regular representation for a class of non-Lie commutation relations
p. 89-90
Extremal chains of subspaces for kolmogorov and linear diameters
p. 91-92
Asymptotic behavior of spectra of operators which are close to normal
p. 93-94
Finite propagation velocity and essential self-adjointness of certain differential operators
p. 95-96