Geodesic

Volume 16 (1980) no. 3

Sommaire

Existence of nonnegative solutions of linear differential equations
p. 387-394
$\sigma $-controllability of linear autonomous systems in the presence of constraints on the control
p. 395-404
Operator-differential equations in spaces of ultradistributions
p. 405-413
Some properties of the Bellman function for linear and symmetric polysystems
p. 414-423
Convergence of solutions in nonautonomous differential systems
p. 424-432
Uniqueness of the limit cycle of the equation $(y-P_3(x))dy=P_1(x,y)dx$
p. 433-437
Sharp upper bounds of mobility of the Ljapunov exponents of a system of differential equations and the behavior of the exponents under perturbations approaching
p. 438-448
Zones of instability of a one-dimensional periodic Dirac system
p. 449-453
Degenerate systems and a small parameter multiplying the derivative
p. 454-461
Absolute exponential stability of linear differential equations of neutral type in a Banach space
p. 462-469
Integral tests for oscillation of the solutions of higher-order linear differential equations. I
p. 470-482
An approach to control of the level of residual stresses
p. 483-491
Generation of a singularity in the solution of a Stefan-type problem
p. 492-500
Closure in $L_2$ of the set of solutions of a family of nonlinear elliptic equations
p. 501-506
Fredholm property of a class of boundary value problems
p. 507-515
The Cauchy problem for involutive systems of partial differential equations
p. 516-521
Fundamental solution of a differential operator with a singularity
p. 522-531
The mixed problem for the wave equation
p. 532-536
Existence of generalized and stationary statistical solutions for a system of equations of an electron fluid in a bounded domain
p. 537-544
Behavior of the solutions of the Cauchy problem for a hyperbolic equation
p. 545-547
A computer experiment in calculation of light trajectories
p. 548-550
Two typical properties of nonautonomous differential equations
p. 551-555
On the Cauchy problem for degenerate hyperbolic equations
p. 556-557
A property of an integral vortex
p. 558-559
Asymptotics of the energy emitted into space by an almost periodic source of electromagnetic waves
p. 560-563
Aleksandr Andreevi{\v{c}} Šestakov (on the occasion of his 60th birthday)
p. 564-570