Geodesic

Volume 48 (1990) no. 4

Sommaire

Sergei Borisovich Stechkin (on the occasion of his 70th birthday)
p. 5-6
Integral inequalities for algebraic polynomials on the unit circle
p. 7-18
Certain extremal problem in a~measure space
p. 19-28
A~bound on Fourier coefficients according to the Chrestenson--Levy system in ag-locally integral metric
p. 29-36
Jung constants of the $l_p^n$-spaces
p. 37-47
Approximation of periodic functions by Fejer--Zygmund means in various metrics
p. 48-57
Parametric approximation of piecewise analytic functions
p. 58-68
Growth of degrees of polynomial bases
p. 69-78
Parallelepipedal cubature formulas and perfect splines
p. 79-87
Error of the approximation by interpolation polynomials of small degrees on $n$-simplices
p. 88-99
Best approximation of certain classes of smooth functions on the real axis by splines of a~higher order
p. 100-109
Conjugate trigonometric polynomials
p. 110-114
Order of the best approximation of partial differential operators
p. 115-121
Properties of the sets that have a~continuous selection from the operator~$P^\delta$
p. 122-131
Inequalities of Kolmogorov type and estimates of spline interpolation on periodic classes~$W_2^m$
p. 132-139
A~difference scheme for the equation of gas dynamics which conserves the group properties of solutions
p. 140-151
On Jackson's theorems in~$L_2$
p. 152-157