Geodesic

Volume 20 (1976) no. 5

Sommaire

Structure of $p$-adic Schottky groups
p. 625-630
Convergence of Ces\`aro means of negative order of functions of bounded generalized second variation
p. 631-644
Cauchy-type $LG^*$ integral
p. 645-653
Best approximation by splines on classes of periodic functions in the metric of $L$
p. 655-664
Tests for the convergence of continued fractions, based on the fundamental system of inequalities
p. 665-674
Perturbations of the Schrödinger equation by potentials with small support
p. 675-680
Conditions for the embedding of classes of sequences and their consequences
p. 681-692
Approximation of a~linear system of second-order differential equations
p. 693-702
Self-conjugacy of abstract differential operators of the hyperbolic type
p. 703-708
Conditions for the self-adjointness of a~quasi-elliptic operator
p. 709-716
Regularity of boundary points for linear equations of parabolic type
p. 717-723
Coercive estimates for a~class of differential operators
p. 725-732
Extension of linear functionals in Banach spaces of measurable functions
p. 733-739
$R^{(\infty)}$ is diffeomorphic to $R^{(\infty)}\setminus\{0\}$
p. 741-746
A~certain approach to the problem of regularization on the basis of the perturbation of linear operators
p. 747-752
Inversion of the oscillatory property of focusing operators
p. 753-760
Axiomatic theory of convexity
p. 761-770
Contractibility of the diagonal of the product of a~hyperelliptic curve with itself
p. 771-774
Approximation of a~class of functions of several variables by certain polynomial operators
p. 775-780
Theorems of Korovkin type
p. 781-786
Exact constants in some converse theorems for approximations by trigonometric polynomials
p. 787-792