Geodesic

Volume 41 (1987) no. 5

Sommaire

A method for finding the densest lattice $k$-fold packing of disks
p. 625-636
Convergence of iterative methods for unbounded operator equations
p. 637-645
Best linear methods for approximation of classes of periodic functions of several variables
p. 646-653
Differential properties of the operator of best approximation of continuous functions by rational fractions
p. 654-672
Nonquasiregularity of certain quasidifferential operators
p. 673-681
The modulus of continuity in $L_p$
p. 682-686
Fundamental solution of the heat equation on an arbitrary Riemannian manifold
p. 687-692
An approximate solution of a complete linear singular integral equation with the Hilbert kernel
p. 693-709
A priori estimates of the derivatives of solutions of the Bellman equations
p. 710-717
Existence of a strategy with piecewise-constant realizations
p. 718-723
Rationality conditions for three-dimensional varieties with sheaf of Del Pezzo surfaces of degree~4
p. 724-730
Isothermal hypersurfaces and three-dimensional Dupin--Mannheim hypercyclides
p. 731-740
Realization of homology classes of $PL$-manifolds with singularities
p. 741-749
N.\,N.~Luzin's problems on the existence of $CA$-sets without perfect subsets
p. 750-757
Symmetry properties of higher spectral densities of stationary random processes
p. 758-763