Geodesic

Sommaire du Fascicule no. 1

On~approximation of functions by harmonic polynomials
p. 1-13
On the behavior in the Euclidean or Lobachevsky plane of trajectories that cover trajectories of flows on closed surfaces.~I
p. 15-38
On~unstable sets of evolution equations in the neighborhood of critical points of a~stationary curve
p. 39-70
On~an~algebra connected with Toeplitz operators in radial tube domains
p. 71-88
An~estimate of the dimension of the image under a~holomorphic mapping of real-analytic hypersurfaces
p. 89-102
Nonconstructivizable formal arithmetic structures
p. 103-122
Special 0-cycles on a~polarized $K3$~surface
p. 123-143
The Newton--Leibniz formula on Banach spaces and approximation of functions of an infinite-dimensional argument
p. 145-161
Finite irredundant systems of identities in commutative Moufang loops and distributive Steiner quasigroups
p. 163-183

Sommaire du Fascicule no. 2

Splitting homotopy equivalences along a~one-sided submanifold of codimension one
p. 185-215
On~the first boundary value problem for nonlinear degenerate elliptic equations
p. 217-244
On~quasianalytic noncontinuability of a~function given by a~series of exponentials
p. 245-261
Spaces of analytic functions of prescribed growth near the boundary
p. 263-281
An~estimate of the number of parameters defining an~$n$-dimensional algebra
p. 283-294
Problems of Burnside type and the finite basis property in varieties of semigroups
p. 295-314
Distribution in the mean of arithmetic functions in short intervals in progressions
p. 315-335
A~new estimate for a~trigonometric integral of I.\,M.~Vinogradov
p. 337-351
The generalized Browder--Livesay invariant
p. 353-374
On~correspondences between K3~surfaces
p. 375-383
On~the possibility of division and involution to a~fractional power in the algebra of rational functions
p. 385-393
Proof of a~conditional theorem of Littlewood on the distribution of values of entire functions
p. 395-402
Topological obstructions to integrability of geodesic flows on non-simply-connected manifolds
p. 403-409
On~a~class of extremal problems
p. 411-418

Sommaire du Fascicule no. 3

Honda systems of group schemes of period~$p$
p. 419-453
The Brauer group of quotient spaces by linear group actions
p. 455-485
On~the number of Lie groups containing uniform lattices isomorphic to a~given group
p. 487-501
Isotrivial families of curves on affine surfaces and characterization of the affine plane
p. 503-532
On~cuspidal divisors on the modular varieties of elliptic modules
p. 533-547
Singularities of solutions, spectral sequences, and normal forms of Lie algebras of vector fields
p. 549-575
Recursive $p$-adic numbers and elementary theories of finitely generated pro-$p$-groups
p. 577-597
Approximation of functions on the sphere
p. 599-614
On~normal forms of nonsmoothness of solutions of hyperbolic equations
p. 615-628
On~measures with the doubling condition
p. 629-638
Estimates of the rate of convergence in solving ill-posed problems for evolution equations
p. 639-651