Geodesic

Volume 7 (1970) no. 4

Sommaire

From the editors
p. 381-382
Application of number theory in mathematical statistics
p. 383-388
Necessary condition for the regularity of branching processes
p. 389-396
Fourier coefficients of functions of class $\mathrm{Lip}\,\alpha$ with respect to complete orthonormalized systems
p. 397-402
On the set of sums of a functional series
p. 403-410
Some extremal properties of positive trigonometric polynomials
p. 411-422
Linear method for the approximation of differentiable functions
p. 423-430
On series with respect to a Schauder system
p. 431-442
On the maximal dual pairs of invariant subspaces of $J$-self-adjoint operators
p. 443-447
Almost-geodesic mappings of affinely-connected spaces and $e$-structures
p. 449-459
Direct limits of semi-simple rings
p. 461-468
Problem in the theory of cubic residues
p. 469-476
Generalization of the additive problem of divisors
p. 477-482
Regularization of Ritz method on an example of polynomial approximation
p. 483-493
Spectrum of an elliptic equation
p. 495-502
Theory of characteristic Lyapunov indices
p. 503-513
Properties of spectra of nonnegative self-adjoint extensions of elliptic operators and exact conditions for the convergence and Riesz summability of Fourier series of various classes of functions
p. 515-523