Geodesic

Volume (1991) no. 11

Sommaire

An approach to the study of approximation properties of linear operators
p. 3-6
Universal form of writing the solution of a~system of linear nonhomogeneous differential equations with constant coefficients
p. 6-13
Moduli of continuity of permutations, and multiplicative inequalities
p. 13-19
Extremal positive extensions of an infinite-dimensional analogue of the Krein--Feller differentiation operator
p. 19-22
The space of continuous functions, and box products
p. 22-24
Absolute summability of orthogonal series by $(\varphi,\lambda)$ methods
p. 25-36
Fourier--Haar double series
p. 36-38
Quasivarieties of representations of groups
p. 39-42
Optimization, on a~nonfixed time interval, of differential inclusions with delay
p. 43-48
A~nonclassical problem for a~degenerate hyperbolic equation
p. 48-51
Approximate conditions for optimality for a~system described by a~nonlinear parabolic equation
p. 52-60
On the index of the operator of the Dirichlet problem in a~domain with a~piecewise-smooth or Radon boundary
p. 60-66
Hermite--Pad\'e approximations of sequential powers of a~logarithm and their arithmetic applications
p. 66-74
Some classes of optimization problems on a~set of arrangements and their properties
p. 74-86
Representation of solutions of operator-differential equations of hyperbolic type in polynomial form
p. 87-89
A~variational maximum principle for pulse and singular regimes in an optimization problem that is linear with respect to control
p. 89-91
Stability of hybrid control systems
p. 91-94
Asymptotics of eigenvalues for a~class of nonuniformly elliptic operators
p. 94-96
Weight conditions that guarantee the similarity of weighted Sobolev spaces under conformal mappings of domains
p. 96-97