Geodesic

Volume 27 (1991) no. 3

Sommaire

Auxiliary exponents of exponentially separated systems
p. 371-376
On the question of linear differential inequalities. I
p. 376-384
Basis properties of eigenfunctions of a regular boundary value problem for a vector functional-differential equation
p. 384-396
Solutions of a system of three differential equations with quadratic nonlinearities
p. 396-402
Solvability of equations that are analogues of Bellman equations in a problem of the control of diffusion processes with integral constraints and with incomplete feedback
p. 403-414
Asymptotic invariance of control systems with delay
p. 415-427
Characteristic exponents of linear systems with Grobman perturbations
p. 428-437
Fragment of a mathematical theory of competition among biological species in a variable environment
p. 437-447
Bifurcations of a singular cone of a three-dimensional homogeneous system
p. 447-452
Oscillation of solutions of third-order linear ordinary differential equations
p. 452-460
On the controllability of linear systems with distributed parameters
p. 461-471
The Cauchy problem for higher-order differential equations with deteriorating operators
p. 472-478
Integral representation of solutions of a class of degenerate parabolic equations of Kolmogorov type
p. 479-487
Applications of parabolic potentials to boundary value problems in mathematical physics. I
p. 487-496
Generalized semilinear hyperbolic Stefan problem on a straight line
p. 497-503
Analytic solutions of the Cauchy problem
p. 503-510
Boundedness of the domain of attraction of a stationary solution of a nonlinear diffusion system of the equations of the dynamics of a controllable reactor
p. 511-520
On the existence of semiregular solutions of the first boundary value problem for an equation of parabolic type with a discontinuous nonmonotone nonlinearity
p. 520-526
Compactness of the attainability set of a controllable differential inclusion in partial derivatives
p. 526-530
Conditions for the well-posedness of two-dimensional mixed problems for hyperbolic systems
p. 531-533
Construction of polynomial solutions of differential equations with constant coefficients
p. 534-535
Elementary classes of autonomous systems of two differential equations that do not have solutions with movable nonalgebraic singular points
p. 535-537
Instability in attractors that are close to two-dimensional surfaces
p. 537-539
A remark on sets of nonregularity of almost periodic linear differential systems
p. 539-541
Single-valued solutions of a class of differential equations
p. 541-544
Limit cycles of an autonomous system with algebraic right-hand sides
p. 544-546