Geodesic

Sommaire du Fascicule no. 1

On the existence of a positive solution of a boundary value problem for a nonlinear second-order functional-differential equation with integral boundary conditions
p. 3-9
On consecutive factors of the lower central series of right-angled Coxeter groups
p. 10-33
Jackson-type theorem on approximation by algebraic
p. 34-44
Kirby diagram of polar flows on four-dimensional manifolds
p. 45-66
On extremal functions in inequalities for entire functions
p. 67-76
$n$-Valued coset groups and dynamics
p. 77-90
On the Hadamard and Vandermonde determinants and the Bernoulli--Euler--Lagrange--Aitken method
p. 91-108
Semi-regular solutions of integral equations with discontinuous nonlinearities
p. 109-121
Approximation of Riemann--Liouville type integrals on an~interval by methods based on Fourier--Chebyshev sums
p. 122-138
On a statement of the boundary value problem for a generalized Cauchy--Riemann equation with nonisolated singularities in a lower-order coefficient
p. 139-151
On the existence of weak solutions of the Kelvin--Voigt model
p. 152-157

Sommaire du Fascicule no. 2

On operator estimates for elliptic operators with mixed boundary conditions in two-dimensional domains with rapidly oscillating boundary
p. 163-184
Saturation in Kneser graphs
p. 185-194
Weakly dissipative linear dynamical systems and a~quadratic Keldysh pencil
p. 195-211
A refinement of the two-radius theorem on the Bessel--Kingman hypergroup
p. 212-228
Blaschke products and Smale's conjecture on complex polynomials
p. 229-235
Embeddings of partially commutative nilpotent groups
p. 236-244
Generalized one-dimensional Dunkl transform in direct problems of approximation theory
p. 245-260
Theorems on the representability of spaces as unions of at most countably many homogeneous subspaces
p. 261-265
Asymptotic representations of solutions of $n\times n$ systems of ordinary differential equations with a large parameter
p. 266-289
Estimate of the convergence rate in the Riemann localization principle for trigonometric Fourier series of continuous functions
p. 290-305
Isometry groups of formal languages for generalized Levenshtein distances
p. 306-315
Extremal positivity problem for integrals of sine series with monotone coefficients
p. 316-320
Any Chebyshev curve without self-intersections is monotone
p. 321-323