Geodesic

Sommaire du Fascicule no. 1

Sharp Bernstein-type inequalities for Fourier-Dunkl multipliers
p. 1-27
Jordan property for groups of bimeromorphic automorphisms of compact K\"ahler threefolds
p. 28-38
Structure of the spectrum of a~nonselfadjoint Dirac operator
p. 39-57
`Far interaction' of small spectral perturbations of the Neumann boundary conditions for an elliptic system of differential equations in a~three-dimensional domain
p. 58-107
On the sharp Baer-Suzuki theorem for the $\pi$-radical of a~finite group
p. 108-147

Sommaire du Fascicule no. 2

On volumes of hyperbolic right-angled polyhedra
p. 148-165
Classification of Liouville foliations of integrable topological billiards in magnetic fields
p. 166-196
On uniqueness for Franklin series with a~convergent subsequence of partial sums
p. 197-209
Cousin complex on the complement to the strict normal-crossing divisor in a~local essentially smooth scheme over a~field
p. 210-225
Multiplicities of limit cycles appearing after perturbations of hyperbolic polycycles
p. 226-245
Geometric progressions in distance spaces; applications to fixed points and coincidence points
p. 246-272
On diameter~$5$ trees with the maximum number of matchings
p. 273-284

Sommaire du Fascicule no. 3

Solving strongly convex-concave composite saddle-point problems with low dimension of one group of variable
p. 285-333
Topological analysis of pseudo-Euclidean Euler top for special values of the parameters
p. 334-348
Diophantine exponents of lattices and the growth of higher-dimensional analogues of partial quotients
p. 349-362
Geometric progression stabilizer in a~general metric
p. 363-382
Degeneration of a~graph describing conformal structure
p. 383-395
On a~class of interpolation inequalities on the 2D sphere
p. 396-410
Bernstein-Szeg\H o inequality for the Riesz derivative of~trigonometric polynomials in $L_p$-spaces, $0\leqslant p\leqslant\infty$, with classical value of the sharp constant
p. 411-428
An elementary approach to local combinatorial formulae for the Euler class of a~PL spherical fibre bundle
p. 429-443

Sommaire du Fascicule no. 4

Properties and errors of second-order parabolic and hyperbolic perturbations of a~first-order symmetric hyperbolic system
p. 444-478
Collocation approximation by deep neural ReLU networks for parametric and stochastic PDEs with lognormal inputs
p. 479-515
Regularization of distributions
p. 516-549
Explicit form of fundamental solutions to certain elliptic equations and associated $B$- and $C$-capacities
p. 550-566
Short $\mathrm{SL}_2$-structures on simple Lie algebras
p. 567-612

Sommaire du Fascicule no. 5

Arf invariants of codimension one in a~Wall group of the dihedral group
p. 613-626
A~refinement of Heath-Brown's theorem on quadratic forms
p. 627-675
Levinson-type theorem and Dyn'kin problems
p. 676-702
A~combinatorial invariant of gradient-like flows on a~connected sum of $\mathbb{S}^{n-1}\times\mathbb{S}^1$
p. 703-731
Some classes of almost Hermitian structures that can be realized on~$S^6$
p. 732-743
Slim exceptional sets of Waring-Goldbach problems involving squares and cubes of primes
p. 744-756

Sommaire du Fascicule no. 6

Birational rigidity of $G$-del~Pezzo threefolds of degree~$2$
p. 757-792
How is a~graph not like a~manifold?
p. 793-815
Forms of del~Pezzo surfaces of degree~$5$ and~$6$
p. 816-831
Algebra of shares, complete bipartite graphs and $\mathfrak{sl}_2$ weight system
p. 832-852
Comparison theorems for evolution inclusions with maximal monotone operators. $L^2$-theory
p. 853-877
On the multiplicative Chung-Diaconis-Graham process
p. 878-895

Sommaire du Fascicule no. 7

Geodesic flow on an intersection of several confocal quadrics in~$\mathbb{R}^n$
p. 897-918
Karatsuba's divisor problem and related questions
p. 919-933
Values of the $\mathfrak{sl}_2$ weight system at chord~diagrams with complete intersection graphs
p. 934-951
A~metric description of flexible octahedra
p. 952-981
Spectral gaps in a~thin-walled infinite rectangular Dirichlet box with a~periodic family of cross walls
p. 982-1023
Logarithmic nature of the long-time asymptotics of solutions of a~Sobolev-type nonlinear equations with cubic nonlinearities
p. 1024-1050

Sommaire du Fascicule no. 8

Existence of polynomial solutions of degree~4 of the Monge-Amp\`ere equation. Large deflections of thin plates
p. 1051-1065
Solvability of the Nevanlinna-Pick interpolation problem
p. 1066-1100
Symmetric matrices and maximal Nijenhuis pencils
p. 1101-1110
Explicit deformation of the horospherical variety of type $\mathrm{G}_2$
p. 1111-1120
Homology of transitive digraphs and discrete spaces
p. 1121-1139
Knot as a~complete invariant of a~Morse-Smale 3-diffeomorphism with four fixed points
p. 1140-1152
A~remark on 0-cycles as modules over algebras of finite correspondences
p. 1153-1162
On the weighted Bojanov-Chebyshev problem and the sum of translates method of Fenton
p. 1163-1190

Sommaire du Fascicule no. 9

Billiard with slipping by an arbitrary rational angle
p. 1191-1211
Construction of invariant Lyapunov norms for planar switching systems
p. 1212-1240
Traces of Sobolev spaces to irregular subsets of metric measure spaces
p. 1241-1320
On the Zaremba problem for the $p$-elliptic equation
p. 1321-1336
Relative optimality in nonlinear differential games with discrete control
p. 1337-1350

Sommaire du Fascicule no. 10

Abnormal extremals in the sub-Riemannian problem for a~general model of a~robot with a~trailer
p. 1351-1372
On a~weak topology for Hadamard spaces
p. 1373-1389
Complete bipartite graphs flexible in the plane
p. 1390-1414
On eigenfunctions of the essential~spectrum of the model problem for the Schr\"odinger operator with singular potential
p. 1415-1441
Generic extensions of ergodic systems
p. 1442-1457
Efficient computations with counting functions on free groups and free monoids
p. 1458-1499

Sommaire du Fascicule no. 11

Random walks conditioned to stay nonnegative and branching processes in an unfavourable environment
p. 1501-1533
Entropy solution for an equation with measure-valued potential in a~hyperbolic space
p. 1534-1559
Dense weakly lacunary subsystems of orthogonal systems and maximal partial sum operator
p. 1560-1584
Characters of classical groups, Schur-type functions and discrete splines
p. 1585-1626
On the number of independent and $k$-dominating sets in graphs with average vertex degree at most~$k$
p. 1627-1650

Sommaire du Fascicule no. 12

Convergence of a~sandpile on a~triangular lattice under rescaling
p. 1651-1673
Estimates for integrals of derivatives of $n$-valent functions and geometric properties of domains
p. 1674-1693
The orbit spaces $G_{n,2}/T^n$ and the Chow quotients $G_{n,2}/\!/(\pmb{\mathbb{C}}^{\ast})^n$ of the Grassmann manifolds $G_{n,2}$
p. 1694-1720
On the spectrum of the Landau Hamiltonian perturbed by a~periodic electric potential
p. 1721-1750
Infinite elliptic hypergeometric series: convergence and difference equations
p. 1751-1778
Dual exceptional collections on Lagrangian Grassmannians
p. 1779-1800