Geodesic

Sommaire du Fascicule no. 1

Existence and qualitative properties of~a~solution of~the~first mixed problem for a~parabolic~equation with non-power-law double nonlinearity
p. 1-40
Irreducible representations of finitely generated nilpotent groups
p. 41-64
On the divergence of triangular and eccentric spherical sums of double Fourier series
p. 65-84
Extrapolation of operators acting into quasi-Banach spaces
p. 85-112
Topological classification of the Goryachev integrable case in rigid body dynamics
p. 113-139
On the density of certain modules of polyanalytic type in spaces of integrable functions on the boundaries of simply connected domains
p. 140-154

Sommaire du Fascicule no. 2

On the exponent of $G$-spaces and isovariant extensors
p. 155-190
The least type of an entire function whose zeros have prescribed averaged densities and lie on rays or in a~sector
p. 191-225
The Post-Gluskin-Hossz\'u theorem for finite $n$-quasigroups and self-invariant families of permutations
p. 226-237
Sharp estimates for the modulus of a~canonical product
p. 238-266
Continuous $\varepsilon$-selection
p. 267-285
A~Tauberian theorem for multiple power series
p. 286-313

Sommaire du Fascicule no. 3

Automorphisms of threefolds that can be represented as an intersection of two quadrics
p. 315-330
Approximation by simple partial fractions with constraints on the poles.~II
p. 331-341
Compact homogeneous spaces of reductive Lie groups and spaces close to them
p. 342-357
Topological classification of integrable Hamiltonian systems in a~potential field on surfaces of revolution
p. 358-399
On the limit distributions of the degrees of vertices in~configuration graphs with a~bounded number of edges
p. 400-417
The Neumann problem for elliptic equations with multiscale coefficients: operator estimates for homogenization
p. 418-443
Decomposition of dyadic measures and unions of closed $\mathscr{U}$-sets for series in a~Haar system
p. 444-457
Zero-one law for random subgraphs of some distance graphs with vertices in~$\mathbb Z^n$
p. 458-478

Sommaire du Fascicule no. 4

Quasitoric manifolds and small covers over properly coloured polytopes: immersions and embeddings
p. 479-489
The annulus principle in the existence problem for a~hyperbolic strange attractor
p. 490-518
Geometric and operator measures of degeneracy for the set of solutions to the Stieltjes matrix moment problem
p. 519-536
Open discrete mappings with unbounded coefficient of quasi-conformality on Riemannian manifolds
p. 537-580
On a~dense winding of the 2-dimensional torus
p. 581-589
On the derivatives of unimodular polynomials
p. 590-609
Approximating the trajectory attractor of the 3D Navier-Stokes system using various $\alpha$-models of fluid dynamics
p. 610-638

Sommaire du Fascicule no. 5

Combinatorial structure of $k$-semiprimitive matrix families
p. 639-651
Asymptotic study of the maximum number of edges in a~uniform hypergraph with one forbidden intersection
p. 652-677
Foliation of the space of periodic boundary-value problems by hypersurfaces corresponding to fixed lengths of the $n$th spectral lacuna
p. 678-701
Continuous Morse-Smale flows with three equilibrium positions
p. 702-723
Measures of correlations in infinite-dimensional quantum systems
p. 724-768

Sommaire du Fascicule no. 6

Hermite-Pad\'e approximation of exponential functions
p. 769-791
On complements of coradicals of finite groups
p. 792-815
On the Frobenius problem for three arguments
p. 816-840
A~version of the infinite-dimensional Borsuk-Ulam theorem for multivalued maps
p. 841-853
Regular homotopy for immersions of graphs into surfaces
p. 854-872
Three-dimensional isolated quotient singularities in odd characteristic
p. 873-887

Sommaire du Fascicule no. 7

Representation of solutions to the problem of the motion of a~heavy rigid body in the Kovalevskaya case in terms of Weierstrass $\zeta$- and $\wp$-functions and nonintegrability of the Hess case by quadratures
p. 889-914
Geodesics in the sub-Riemannian problem on the group $\mathrm{SO}(3)$
p. 915-941
Spectral analysis on the group of conformal automorphisms of the unit disc
p. 942-963
Modules of Gorenstein dimension zero over graph algebras
p. 964-982
Singular Fano threefolds of genus~12
p. 983-1009
Approximation of functions in variable-exponent Lebesgue and Sobolev spaces by de la Vall\'ee-Poussin means
p. 1010-1036

Sommaire du Fascicule no. 8

The Stokes phenomenon for an irregular Gelfand-Kapranov-Zelevinsky system associated with a~rank one lattice
p. 1037-1063
The length of a~minimal filling of star type
p. 1064-1078
Groups of line and circle diffeomorphisms. Criteria for almost nilpotency and structure theorems
p. 1079-1099
Asymptotic behaviour of the solution to a~singularly perturbed partially dissipative system with a~multiple root of the degenerate equation
p. 1100-1126
Calculation of the Riesz constants and~orthogonalization for incomplete systems of coherent states by means of theta functions
p. 1127-1141
Karatsuba's method for estimating Kloosterman sums
p. 1142-1158
Weighted inequalities for quasilinear integral operators on the semi-axis and applications to Lorentz spaces
p. 1159-1186

Sommaire du Fascicule no. 9

Properties of surjective real quadratic maps
p. 1187-1214
Locally isometric coverings of the Lie group $\mathrm{SO}_0(2,1)$ with special sub-Riemannian metric
p. 1215-1235
The Gonchar-Stahl $\rho^2$-theorem and associated directions in the theory of rational approximations of analytic functions
p. 1236-1266
Definability of semifields of continuous positive functions by the lattices of their subalgebras
p. 1267-1286
Affine Riesz bases and the dual function
p. 1287-1318
Explicit formulae for Chern-Simons invariants of the twist-knot orbifolds and edge polynomials of twist knots
p. 1319-1334
Removable singularities of holomorphic functions
p. 1335-1343
A~realization theorem for the G\"{o}del-L\"{o}b provability logic
p. 1344-1360

Sommaire du Fascicule no. 10

From the Editorial Board of \textit{Matematicheskii Sbornik}
Local Petrovskii lacunas close to parabolic singular points of the wavefronts of~strictly hyperbolic partial differential equations
p. 1363-1383
$L_p$-estimates for the nontangential maximal function of the solution to a~second-order elliptic equation
p. 1384-1409
Lieb-Thirring inequalities on the torus
p. 1410-1434
Topology of the configuration space, singularities of the~potential, and polynomial integrals of equations of dynamics
p. 1435-1449
Quantization of the Sobolev space of half-differentiable functions
p. 1450-1457
The spaces of non-contractible closed curves in compact space forms
p. 1458-1470
Derivatives at the boundary for analytic Lipschitz functions
p. 1471-1490

Sommaire du Fascicule no. 11

From the editors of this issue
p. 1491-1492
Complexity of virtual 3-manifolds
p. 1493-1511
On volumes of classical supermanifolds
p. 1512-1536
Small covers of graph-associahedra and realization of cycles
p. 1537-1561
On some problems related to the Hilbert-Smith conjecture
p. 1562-1581
Polyhedral products and commutator subgroups of right-angled Artin and Coxeter groups
p. 1582-1600
Projective toric polynomial generators in the unitary cobordism ring
p. 1601-1624

Sommaire du Fascicule no. 12

Global bifurcation of solutions of certain nonlinear eigenvalue problems for ordinary differential equations of fourth order
p. 1625-1649
On the uniqueness of series in the Franklin system
p. 1650-1673
Proper central and core polynomials of relatively free associative algebras with identity of Lie nilpotency of degrees 5 and~6
p. 1674-1692
Volume formulae for fibred cone-manifolds with spherical geometry
p. 1693-1708
Bifurcations of resonance oscillations and optimization of the trigonometric impulse by the nonsymmetry coefficient
p. 1709-1728
On nonequivalence of the $\mathrm{C}$- and $\mathrm{QC}$-norms in the space of trigonometric polynomials
p. 1729-1742
A~sharp lower bound for the sum of a~sine series with convex coefficients
p. 1743-1777