Geodesic

Sommaire du Fascicule no. 1

Factorization problems and operator identities
p. 1-64
Subgroups of finite Chevalley groups
p. 65-118
Reidemeister torsion in knot theory
p. 119-182
Topological classification of flows on closed two-dimensional manifolds
p. 183-208
Toeplitz and Hankel matrices
p. 209-218
On~certain generalizations of \v Cech-completeness
p. 219-220
The~Halphen problem on equivalence of ordinary linear differential equations
p. 221-222
Microlocal properties of the problem with a singular oblique derivative in a neighbourhood of diffractive points
p. 223-224
On~the central projections of the faces of a simplex with centres of projection at its vertices
p. 225-226
Existence and uniqueness of a continuous solution of a system of stochastic differential equations of It\^o type
p. 227-228
A~steepness test for analytic functions
p. 229-230
On conics on a double 3-dimensional quadric
p. 231-232
A~lower estimate of the global homological dimension of infinite-dimensional CCR-algebras
p. 233-234
On~the destabilizing effect of small damping on abstract non-conservative systems
p. 235-236
On~the distribution of values of Dirichlet characters
p. 237-238
On~logarithms of natural numbers
p. 239-240
Some supplements to the Bokshtein lemma
p. 241-242
On~complex limit cycles of the equation $\dfrac{dw}{dz}=\dfrac{P_n}{Q_n}$
p. 243-244
A~generalization of Laguerre polynomials and convergence of simultaneous Pad\'e approximants
p. 245-246
On~the concept of the Bernoulli property
p. 247-248
Criteria for hyperbolic embedding of complements to hypersurfaces
p. 249-250
Random linear functionals on measurable fields of normed spaces
p. 251-252
Yurii Makarovich Berezanskii (on his sixtieth birthday)
p. 253-255
Meetings of the Leningrad Mathematical Society
Meetings of the Ural Mathematical Society
New books on mathematics

Sommaire du Fascicule no. 2

Algebraic-geometric principles of superposition of finite-zone solutions of integrable non-linear equations
p. 1-49
Rational varieties: algebra, geometry and arithmetic
p. 51-116
Problems of growth and rationality in algebra and topology
p. 117-175
Viktor Dmitrievich Kupradze (obituary)
p. 177-179
Aron Grigor'evich Pinsker (obituary)
p. 181-183
Aleksandr Vladimirovich Kuznetsov (obituary)
p. 185-187
On~bounded invertibility of a second-order differential operator
p. 189-190
On~the topology of quadratic systems with four (or more) limit cycles
p. 191-192
On~the behaviour of generalized solutions of the Dirichlet problem for the Navier--Stokes system and the von K\'arm\'an system in a neighbourhood of the point at infinity
p. 193-194
On the number of inverse images of a point under a continuous map
p. 195-196
On~the division theorem for differentiable functions
p. 197-198
On~limiting distributions for a random walk in a critical one-dimensional random environment
p. 199-200
In~ariant measures of dynamical systems of statistical mechanics and first integrals of Hamiltonian systems with finitely many degrees of freedom
p. 201-202
Dihedral homology and Hermitian $K$-theory of topological spaces
p. 203-204
Hamiltonian differential forms over the divided powers algebra
p. 205-206
On~the typical behaviour of trajectories of the exponent
p. 207-208
On~Fourier--Haar series of functions of bounded variation
p. 209-210
On~a~geometric interpretation of differential operators with periodic coefficients
p. 211-212
On~the growth of some Lie algebras of vector fields
p. 213-214
On~Bloch's theorem
p. 215-216
On~the rate of growth in the mean of functions from the Bergman spaces in the polydisk and in the ball
p. 217-218
On~a~dynamical system with discrete spectrum
p. 219-220
Classification of pairs of discrete measurable partitions of the Lebesgue space
p. 221-222
Nikolai Stepanovich Sinyukov (on~his sixtieth birthday)
p. 223-224
Errata
Normal forms for real surfaces in $\mathbb C^2$ near complex
VIII All-Union scientific conference ``Present-day problems of differential geometry''
X All-Union School on Theory of Operators in Functional Spaces
New books on mathematics
From the Editorial Board
On a~problem on the extremum of discontinuous mappings
On the asymptotic behaviour of solutions of differential equations systems

Sommaire du Fascicule no. 3

Generalized Riemannian spaces
p. 1-54
Progress in the topology of real algebraic varieties over the last six years
p. 55-82
The~method of reflection positivity in the mathematical theory of first-order phase transitions
p. 83-134
The theory of M\"obius functions
p. 135-188
Vladimir Abramovich Rokhlin (obituary)
p. 189-195
Topological equivalence of fiberings with singularities and homeomorphisms with invariant fiberings on two-dimensional manifolds
p. 197-198
The~asymptotic behaviour for large~$t$ of the Fourier coefficients of solutions of the Meshalkin problem
p. 199-200
Homological dimension for the coefficient group $\mathbb Z_p$
p. 201-202
Linearization of stability groups of a class of hypersurfaces
p. 203-204
Convergence of computational algorithms for recovering discontinuous functions from the Radon transform
p. 205-206
The~construction of a simply connected Lie group with a given Lie algebra
p. 207-208
Averaging elliptic equations that describe processes in stratified media
p. 209-210
A~geometry for the O'Nan--Sims group connected with the Petersen graph
p. 211-212
The homotopy limit of homotopy algebras
p. 213-214
Invariants of the algebras $\mathfrak{gl}(2)$ and $\mathfrak{sl}(2)$ in the case of finite characteristic
p. 215-216
Integration on $(1|1)$-dimensional supermanifolds
p. 217-218
Maps of classifying spaces
p. 219-220
Algebraic duality between homology and cohomology
p. 221-222
Economical topologies on the group of integers~$Z$
p. 223-224
Maps of Wall groups induced by embeddings
p. 225-226
Prime numbers with a given value of their least quadratic non-residue
p. 227-228
An~extended stochastic integral for non-Gaussian measures in locally convex spaces
p. 229-230
Linear irreducibility of differential equations and algebraic independence of the values of hypergeometric $E$-functions
p. 231-232
On~a~class of finite-dimensional $\operatorname{sp}(2n-1)$-modules
p. 233-234
Rings with a distributive structure of right ideals
p. 235-236
Deformations of coherent sheaves on superspaces
p. 237-238
A~class of differential systems connected with the theory of solitons
p. 239-240
Mstislav Vsevolodovich Keldysh (on~the seventy-fifth anniversary of his birth)
p. 241-245
From the memoirs of P.\,S.~Aleksandrov (from the stock of the Academician M.\,V.~Keldysh Museum)
p. 247-248
Tashmukhamed Alievich Sarymsakov (on~his seventieth birthday)
p. 249-253
Professor Kurt Hirsch (obituary)
Fiftieth anniversary of the Department of Differential Equations at Moscow University
Scientific conference ``Theoretical and Applied Problems in Mathematics''
New books on mathematics

Sommaire du Fascicule no. 4

Unstable invariant sets of semigroups of non-linear operators and their perturbations
p. 1-41
The dynamics of rational transforms: the topological picture
p. 43-117
Infinite-dimensional elliptic equations and operators of L\'evy type
p. 119-170
Anatolii Alekseevich Mirolyubov (obituary)
p. 171-172
Nicolai Terent'evich Tynyanskii (obituary)
p. 173-174
Hypoellipticity of a second-order differential operator with quadratic form of variable sign
p. 175-176
Maximal tori in semisimple groups and rational surfaces
p. 177-178
On~the completeness and minimality of Rayleigh systems
p. 179-180
Lower estimates of the dimension of schemes of bounded depth in the basis $\{\,\vee,\oplus\}$
p. 181-182
Covariant functors of finite degree; dimension and compacta of full dimensionality
p. 183-184
Averaging of the mixed problem for a parabolic equation in a perforated domain
p. 185-186
Aleksandr Aleksandrovich Abramov (on~his sixtieth birthday)
p. 187-189
Joint sessions of the Petrovskii Seminar on differential equations and mathematical problems of physics and of the Moscow Mathematical Society (ninth meeting, January~20--23,~1986)
New books on mathematics

Sommaire du Fascicule no. 5

A~survey of results on the solubility of boundary-value problems for second-order uniformly elliptic and parabolic quasi-linear equations having unbounded singularities
p. 1-31
The~twistor transformation and algebraic-geometric constructions of solutions of the equations of field theory
p. 33-61
The~method of Poincar\'e normal forms in problems of integrability of equations of evolution type
p. 63-114
Sergei Mikhailovich Lozinskii (obituary)
p. 115-117
Pavel Petrovich Korovkin (obituary)
p. 119-121
The~limit distribution of deviations in the sense of Hellinger distance of nuclear estimates of probability density
p. 123-124
On~a~problem of L.\,G.~Zambakhidze
p. 125-126
On~theorems of A.\,I.~Mal'tsev concerning matrix representations of algebras
p. 127-128
On~the uniqueness of the solution of a problem for non-linear parabolic equations without initial conditions
p. 129-130
The~reduction of a problem on the bifurcation of minimal surfaces to operator equations and the search for bifurcations of a catenoid, a helicoid, and the Scherk and Enneper surfaces
p. 131-132
On~some qualitative properties of the solutions of a non-divergent semilinear second-order parabolic equation
p. 133-134
Stable metrics on universal algebras
p. 135-136
Lifting idempotents in algebraic algebras over Hensel valuation rings
p. 137-138
On~a~Levi theorem for Lie algebras of characteristic $p$
p. 139-140
Semihomeomorphisms and homeomorphisms
p. 141-142
The~rate of convergence in the central limit theorem for semimartingales in its non-classical formulation
p. 143-144
Singular vectors and discrete modules
p. 145-146
Preservation of shape local $n$-connectedness for fibrations
p. 147-148
The~splitting of separatrices and the generation of isolated periodic solutions in Hamiltonian systems with one-and-a-half degrees of freedom
p. 149-150
The~existence of a Hilbert space valued process with given jumps
p. 151-152
Hopf algebras and vector symmetries
p. 153-154
Weak convergence of stochastic integrals with respect to semimartingales
p. 155-156
Equivariant topology of nematic liquid crystals
p. 157-158
Topological classification of pairs of commuting antiholomorphic involutions of Riemann surfaces
p. 159-160
Vectors of exponential type and differential equations in a scale of Banach spaces
p. 161-162
On~a~system of boundary-layer equations of dilatant fluids
p. 163-164
Finite-zone analogues of $N$-multiplet solutions of the Korteweg--de~Vries equation
p. 165-166
Topological rings with involution
p. 167-168
Bifurcations of a family of vector fields on the plane that touch the coordinate axes
p. 169-170
Adelaida Borisovna Vasil'eva (on~her sixtieth birthday)
p. 171-173
Efimov's theorem about complete immersed
Sessions of the Petrovskii Seminar on differential equations and mathematical problems of physics
II~All-Union scientific school ``Lie albegras and their applications in mathematics and physics'' in celebration of the 75th birthday of A.\,I.~Maltsev
All-Union conference ``Number theory and its applications''
V~Tiraspol' Symposium on General Topology and its Applications
New books on mathematics

Sommaire du Fascicule no. 6

First steps in symplectic topology
p. 1-21
Coherent structures, resonances, and asymptotic non-uniqueness for Navier--Stokes equations with large Reynolds numbers
p. 23-42
Topological methods in combinatorial problems
p. 43-57
Cell-like maps. The problem of raising dimension
p. 59-111
Locally homotopy contractible differential graded sheaves
p. 113-134
The predifferential of a twisted product
p. 135-147
Soft maps, multi-valued retractions, and functors
p. 149-197
Linearly controlled systems of constant rank and relay conditions for extreme control
p. 199-200
Minimal cones of the adjoint action of classical Lie groups
p. 201-202
Subgroups of quasi-finite groups
p. 203-204
Some theorems in the equivariant theory of retracts and shapes
p. 205-206
A~remark on the ``completed torus'' functor
p. 207-208
On~the composition of cohomological operations
p. 209-210
Local $\Sigma$-realization of metrics of positive curvature in Euclidean space
p. 211-212
Isometry groups of metric and ultrametric spaces and their subgroups
p. 213-214
The~extension of continuous maps
p. 215-216
Homotopic properties of categories of extensions
p. 217-218
Some theorems in sheaf theory for spaces with a finite group of transformations
p. 219-220
Integral transformations of pseudodifferential forms
p. 221-222
Open maps
p. 223-224
Memories of~P.\,S.~Aleksandrov
p. 225-246
What Pavel Sergeevich Aleksandrov did for me
p. 247-250
Kirill Aleksandrovich Sitnikov (on~his sixtieth birthday)
p. 251-253
New books on mathematics