Geodesic

Volume 34 (1998) no. 3

Sommaire

Evgeni{\v\i} Ivanovich Moiseev (on the occasion of his fiftieth birthday)
p. 291-293
On the existence of an extremal norm for a class of linear differential equations with retarded argument
p. 294-297
Affine-invariant conditions for the topological discrimination of quadratic Hamiltonian differential systems
p. 298-302
A singular eigenvalue problem for the Sturm--Liouville equation
p. 303-312
Continuation of the solution of differential equations to a singular set
p. 313-319
A hybrid method for constructing asymptotics for a nonlinear singularly perturbed Cauchy problem with rapidly oscillating conditionally periodic coefficients
p. 320-325
On the existence of a minimal global attractor for the nonlinear wave equation with antidissipation in the domain and with dissipation on a part of the boundary
p. 326-330
A complex analogue of invariant elliptic Dezin systems
p. 331-341
Gradient methods in problems with continua of extremals
p. 342-347
On mixed boundary value problems in a quarter-space for a class of systems not of Cauchy--Kovalevskaya type
p. 348-358
An upper bound taken on the diagonal for the spectral function of the multidimensional Schr\"odinger operator with a potential satisfying the Kato condition
p. 359-369
A proof of the existence of an infinitely continuable solution of the Cauchy problem for a class of second-order differential equations in the space of complex-analytic functions
p. 370-374
Nonlocal boundary value problems for pseudodifferential and operator-differential equations.~II
p. 375-382
On data assimilation in a scale of Hilbert spaces for quasilinear evolution problems
p. 383-389
On a class of four-layer locally one-dimensional difference schemes for second-order hyperbolic equations of arbitrary dimension
p. 390-394
A general theory of approximate methods for constructing parametrized solutions of linear differential equations
p. 395-402
Optimal control of a discrete process by the criterion of the Ces\`aro average limit
p. 403-410
Convergence of numerical solutions of the variational altimeter data assimilation problem in a quasigeostrophic model of ocean circulation
p. 411-418
Construction of the ``$H^\infty$-control'' and the guaranteeing control as a solution of a three-person differential game
p. 419-421
Potentiality conditions for differential-difference equations
p. 422-424
Exact solutions of the problem of the oscillations of complex fields in an angular domain
p. 425-427