Geodesic

Approximation theory. Asymptotical expansions

Sommaire

Conditions for the finiteness of majorants for sequences of operators and convergence of Fourier series
p. 3-20
Tur\'an's problem for positive definite functions with supports in a~hexagon
p. 21-29
On the Jackson--Stechkin inequality for the best $L^2$-approximations of functions by trigonometric polynomials
p. 30-46
Orders of the weighted Lebesgue constants for Fourier sums with respect to orthogonal polynomials
p. 47-61
The Jackson--Stechkin inequality with a~nonclassic modulus of continuity
p. 62-66
Introducing an equivalent metric in a~linear space by a~family of its subsets
p. 67-74
The Jackson--Stechkin inequality in $L_2[-\pi,\pi]$
p. 75-84
Weak perturbations of solutions with movable singularities
p. 85-104
Asymptotics of a~solution of the Kadomtsev-Petviashvili-2 equation
p. 105-134
The error of interpolation of functions by polynomials on $n$-simplexes
p. 135-143
A~problem of extremal interpolation for multivariate functions
p. 144-159
On the Ostrovskii--Peresyolkova conjecture about zeros of the Mittag-Leffler functions
p. 160-174
Approximative properties of interpolating $\mathcal L$-splines
p. 175-196
Trigonometric series with monotone type coefficients
p. 197-207
Splines and relative widths of classes of differentiable functions
p. 208-216
Wavelets which are orthonormal with respect to an inner product in the Sobolev space $W_2^m$ of periodic functions
p. 217-230
The Jackson--Stechkin inequality in the space $C(\mathbb T)$ with trigonometric continuity modulus annihilating the first harmonics
p. 231-237
Errata: ``Control of motion of multilink systems over a~rough plane''