Geodesic

Sommaire

Our achievements in the field of mathematics after 40~years of the Soviet Union
p. 3-8
Focal maps of a~surface of rank~r
p. 9-19
A~remark on iteration methods for the solution of differential equations
p. 21-23
Conditions for invariance of stability of solutions of integro-differential equations
p. 25-34
On the distribution of the nodes in the interpolation process of S.\,N.~Bernshtein
p. 35-43
On systems of linear parital differential equations with constant coefficients
p. 45-66
Some effective methods of solving the Chebyshev problem on best approximation
p. 67-79
Semigroups of partial mappings with a~symmetric transitivity relation
p. 81-88
Surfaces enveloping a~family of hyperspheres
p. 89-97
On a~problem of N.\,N.~Luzin
p. 99-101
he differentiation algebra of an arbitrary standard nullalgebra
p. 103-120
Partially system-transitive permutation groups
p. 121-125
Sufficient conditions for the existence of limit cycles
p. 127-132
A~group-theoretic M\"obius--Delsarte function and the theory of linear representations of finite groups
p. 133-141
Simultaneous reduction of a~quadratic and a~Hermitian form
p. 143-159
Geometric constructions in the Lobachevsky plane by means of lines and points
p. 161-165
On a~smooth section of a~dispersive dynamical system
p. 167-173
Solution by the operational method of certain nth-order differential equations with retarded argument (with different lags)
p. 175-187
Groups with isomorphic lattices of subsemigroups
p. 189-194
On paired integro-differential equations of bending a piecewise-constant rigid unbounded plate lying on an elastic half-space
p. 195-209
Approximate solution of integro-differential equations by Chaplygin's method
p. 211-221
Lattice isomorphism of non-periodic locally nilpotent groups
p. 223-226
A~generalization of a~Cauchy-type integral in higher-dimensional space
p. 227-231
The geometry of rectangular matrices and its application to real-projective and non-Euclidean geometry
p. 233-247
Linear dynamical systems
p. 249-257