Geodesic

Tome 25 (1989) no. 1

Sommaire

An asymptotic estimate in $L_2$ for the Riesz means of the spectral function of an elliptic operator
p. 3-14
Solution of a problem with an oblique derivative for a parabolic equation by the method of boundary integral equations
p. 14-20
An analogue of the Bitsadze–Samarskiǐ problem for a third-order parabolic-hyperbolic equation
p. 21-27
Necessary and sufficient conditions for the solvability of the Cauchy problem for some classes of nonlinear evolution equations
p. 27-33
Stabilization of means of the solution of the Cauchy problem for hyperbolic equations in a space of negative curvature
p. 34-43
Spectral approach to asymptotic diffusion problems
p. 44-50
$L_2$-solvability of boundary value problems for equations of mixed type
p. 50-59
On the theory of nonlocal problems for the Laplace equation
p. 59-64
Summability of spectral expansions that correspond to the nonselfadjoint Schrödinger operator. I
p. 65-73
On the construction of stable and stabilizing systems with distributed parameters
p. 74-89
Global bifurcation of solutions of some nonlinearizable eigenvalue problems
p. 89-96
Disposition of the spectrum of the Tricomi problem for the Lavrent'ev–Bitsadze equation
p. 97-106
Some inverse initial-boundary value problems for nonstationary linearized Navier–Stokes equations
p. 106-117
On the theory of equations of mixed parabolic-hyperbolic type with a spectral parameter
p. 117-126
Eigenvalues and eigenfunctions of some nonlocal boundary value problems
p. 127-136
Higher-order elliptic systems
p. 136-144
Control in nonlocal boundary value problems
p. 145-153
Solvability of a characteristic problem for second-order degenerate hyperbolic systems
p. 154-162
The basis property of some systems of functions
p. 163-164
Membership in class $W_2^1$ of the classical solution of the Dirichlet problem for second-order elliptic systems
p. 165-167
On the completeness of root functions of some boundary value problems
p. 167-169
Completeness of a system of root functions of the Tricomi problem for the Lavrent'ev–Bitsadze equation
p. 170-172
The Riesz basis of the Bitsadze–Samarskiǐ spectral problem with infinitely multiple eigenvalues
p. 172-174
Interpolation of Besov classes and absolute convergence of Fourier series
p. 174-176
On the asymptotics of the energy of random sources of oscillations for an abstract Cauchy problem
p. 177-178