Geodesic

Tome 26 (1990) no. 2

Sommaire

Description of the behavior of higher sigma-exponents of a triangular system and of a system of its diagonal approximation
p. 187-205
Estimates for domains of attraction of stationary solutions of differential equations of systems of frequency synchronization. I
p. 205-213
Stability with respect to the first approximation of systems with linearly time-dependent delay
p. 214-218
Stability of the trivial solution of some classes of systems of functional-differential equations of retarded type
p. 219-224
Some applications of the theory of an abstract functional-differential equation. II
p. 224-232
Optimal design in a smooth linear time-optimality problem
p. 232-237
Modeling controls and coefficients in parabolic evolution systems
p. 237-246
Two-sided solutions of linear functional-differential equations
p. 246-250
Phase spaces of a class of operator semilinear equations of Sobolev type
p. 250-258
Analytic spectral problems
p. 258-267
Lorentz-invariant solutions of a pseudodifferential Schrödinger equation
p. 268-271
A singularly perturbed system of equations of elliptic type
p. 271-278
A generalization of the concepts of uniform stabilization and uniform closeness of solutions of the Cauchy problem
p. 279-287
Extremal properties of solutions of a class of parabolic systems and their applications
p. 287-297
$G$-compactness of a class of first-order elliptic systems
p. 298-305
A characterization problem for a class of second-order hyperbolic systems with a characteristic line of degeneration
p. 305-313
A variant of the method of variable directions for the solution of multidimensional problems in mathematical physics. I
p. 314-323
The rate of convergence of the Bubnov–Galerkin method for hyperbolic equations
p. 323-333
A method for numerical solution of integral equations on a random grid
p. 333-341
Necessary conditions with matrix impulses for a Goursat–Darboux system
p. 342-343
On the divergence of transformations in the averaging method
p. 343-345
Second order systems with quadratic nonlinearity of Painlevé type
p. 345-348
Periodic solutions of Hamiltonian systems
p. 348-350
Solution of a boundary value problem for Poisson and Laplace equations with boundary conditions of the fourth kind on concentric boundaries of constant radius
p. 351-353
Normal forms of systems of linear differential equations with bifurcating Fuchsian singularities
p. 353-356
Eigenfunction expansion of a class of nonsmooth differential operators
p. 356-358
On the oscillatory character of the kernel connected with the Green’s function of a multi-point problem
p. 358-360
Abdel'khak Safiullovich Galiullin (on the occasion of his 70th birthday)
p. 361-362