Geodesic

Volume 27 (1991) no. 6

Sommaire

On the question of linear differential inequalities. II
p. 923-931
On the existence of the cost of differential games with integral constraints
p. 931-941
Polynomial representation of solutions of operator-differential equations of hyperbolic type in a Hilbert space
p. 941-947
On a construction of universal strategies in differential games
p. 947-953
On the existence of Grobman spectral sets of positive measure for linear systems
p. 953-957
Stability of the $k$th central exponent of a linear system of differential equations
p. 958-963
Sufficient conditions for optimality on a nonfixed time interval for differential inclusions with delay, and duality
p. 964-969
Pointwise completeness of functional-differential equations
p. 969-978
Solvability of the Cauchy problem for differential equations in locally convex spaces
p. 979-988
Control problems and separability axioms
p. 988-994
Stabilization of linear completely integrable Pfaffian systems in the case of scalar control
p. 995-1001
An inverse problem in transport theory and properties of a reflection operator
p. 1002-1006
Analogues of the Tricomi problem for an equation of mixed parabolic-hyperbolic type with two lines and different order of degeneracy
p. 1007-1014
An energy inequality for a boundary value problem for a third-order hyperbolic equation with a wave operator
p. 1014-1022
The Cauchy problem for operator-differential equations of Fuchsian type
p. 1022-1033
Separability and estimates for the widths of sets connected with the domain of a nonlinear operator of Schr\"odinger type
p. 1034-1042
A mathematical model of the Stefan problem
p. 1042-1048
Construction of a strongly quasiregular kernel of potential for the solution of a spectral problem
p. 1048-1055
An algebra of pseudodifferential operators with variable analytic symbols and the well-posedness of the corresponding equations
p. 1056-1063
On a positive solution of a quasilinear elliptic equation in $\mathbf R^n$
p. 1063-1070
Classical solution of a mixed problem for a one-dimensional hyperbolic equation
p. 1071-1073
The existence of the rotation number of the equation $\dot x=\lambda (t,x)$ with a right-hand side that is periodic in $x$ and almost periodic in $t$
p. 1073-1076
Pressure wave propagation under the change of the place of concentrated incidental subpassing
p. 1076-1078
Exponential stability of the Cauchy problem for linear partial differential systems
p. 1079-1081
Transformation of partial differential equations with nonseparable variables into a system of two ordinary differential equations
p. 1081-1084
Poincar\'e's recurrence theorem for complex analytic systems
p. 1084-1086
On the behavior of solutions of second order systems of general form in the real domain
p. 1086-1087
Meromorphic solutions of first-order differential equations
p. 1087-1089
The quasi-inversion method for some hyperbolic equations
p. 1089-1092
On the solution of an equation containing multiple integrals with Cauchy kernels
p. 1092-1097