Geodesic

Volume 51 (1992) no. 4

Sommaire

A Lie algebra with a single defining relation need not be residually finite
p. 3-7
Asymptotic behavior of the spectra of second-order non-self-adjoint systems of differential operators
p. 8-16
Approximation of a bounded solution of a difference equation by solutions of corresponding boundary problems in Banach space
p. 17-22
Two-layer projection-difference method with a splitting operator for the wave equation
p. 23-35
Newton's principle for the wave equation
p. 36-42
Extended modules of truncated polynomials and exterior powers over a finite special linear group
p. 43-53
Homogeneous structures on manifolds: Differential geometry from the point of view of differential equations
p. 54-68
Problem of instrusion in a stratified viscous fluid for three space variables
p. 69-77
Refutation of a theorem of Diliberto and Straus
p. 78-80
Construction of $(k+1)$-orbits of permutation groups from their $k$-orbits
p. 81-84
Union of derivative chains of two quadratic pencils of unbounded operators
p. 85-90
Generating triples of involutions of alternating groups
p. 91-95
How does one determine the rate of convergence of a sequence of iterations?
p. 96-100
Evolution of the complex spectrum of a periodic operator
p. 101-108
Method of a stationary phase for the Laplace--Radon transforms
p. 109-118
Boundary equations in nonstationary diffraction problems for elastic waves on three-dimensional cracks
p. 119-123
Operator analogs of VKB-type estimates and the solvability of boundary-value problems
p. 124-131
Order estimates for best approximations and moduli of continuity of the sum of a trigonometric series with Quasi-monotone coefficients
p. 132-134
Width of the Hardy classes $H^p$ in weighted $L_p$ spaces
p. 134-136
Sums of multiplicative functions with shifted arguments
p. 136-138