Geodesic

Sommaire du Fascicule no. 1

Periodic trajectories in three-dimensional Birkhoffs billiards
p. 1-13
Singular perturbations of stochastic differential equations
p. 15-27
Some results on solvability of ordinary linear differential equations in locally convex spaces
p. 29-40
On~primitive elements in finite fields and on elliptic curves
p. 41-50
Groups and Lie rings admitting an almost regular automorphism on prime order
p. 51-63
Integration of weekly nonlinear semi-hamiltonian systems of hydrodynamic type by methods of the theory of~webs
p. 65-79
On the approximation of~functions by interpolating splines defined on nonuniform nets
p. 81-99
Perturbation theory formulas for the Schr\"odinger equation with a~nonsmooth periodic potential
p. 101-123
Asymptotic problems connected with the heat equation in perforated domains
p. 125-147
Inverse theorems for multipoint Pad\'e approximants
p. 149-161
Tangent fields on deformations of complex spaces
p. 163-182
On harmonic approximation in the $C^1$-norm
p. 183-207
Extension theory and localization of resonances for domains of trap type
p. 209-234
New methods for the classification of the simple modular Lie algebras
p. 235-245
On a~way of obtaining lower estimates for the errors of quadrature formulas
p. 247-257
Reduction theorems for the Brauer conjecture on the number of characters in a~$p$-block
p. 259-269
Correction to volume 62, number 1, 1989

Sommaire du Fascicule no. 2

Continuous branches of multivalued mappings and functional-differential inclusions with nonconvex right-hand side
p. 273-287
Calibration forms and new examples of stable and globally minimal surfaces
p. 289-308
Permutation representations of braid groups of surfaces
p. 309-318
Differential algebras and low-dimensional conservation laws
p. 319-329
On uniform stabilization of solutions of the first mixed problem for a~parabolic equation
p. 331-353
Spectral functions of a~canonical system of order~$2n$
p. 355-369
Subgroups satisfying an identity in a~class of abstract groups
p. 371-386
On a~conjecture on sums of multiplicative functions
p. 387-403
The structure of compact sets generating normal domains and removable singularities for the space~$L_p^1(D)$
p. 405-418
On nilpotency of graded associative algebras
p. 419-425
Spectra of nonlinear differential equations and widths of Sobolev classes
p. 427-446
Nonisentropic one-dimensional gas motions constructed by means of the contact group of the nonhomogeneous Monge--Amp\`ere equation
p. 447-462
Isomonodromy deformations of equations with irregular singularities
p. 463-479
Abstract methods for a~local description of closed submodules of analytic functions
p. 481-497
Sets of values of systems of functionals in classes of univalent functions
p. 499-516
Spectral asymptotics of nonselfadjoint elliptic systems of differential operators on bounded domains
p. 517-531
A~formula for the optimal value in the Monge--Kantorovich problem with a~smooth cost function, and a~characterization of cyclically monotone mappings
p. 533-548
On the nonbendability of closed surfaces of trigonometric type
p. 549-560
On the connection between mean oscillation and exact integrability classes of functions
p. 561-567