Best trigonometric and bilinear approximations for the classes of (ψ, β) -differentiable periodic functions by V. V. Shkapa

Get full text

Approximating Characteristics of the Classes L_(β,p) by V. V. Shkapa

Get full text

Grid-algorithms on classes of (ψ,β)-differentiable functions by V. V. Shkapa

Get full text

Estimates of the best M-term and orthogonal trigonometric approximations of functions of classes LΨ(β,ρ) in the uniform metrics by V. V. Shkapa

Get full text

Best orthogonal trigonometric approximations of functions from classes Lш(в,1) by V. V. Shkapa

Get full text

Best approximations of analogous of the Brenoulli kernels and classes of the (ψ,β) differentiable periodic functions by V. V. Shkapa

Get full text

Estimates of the best orthogonal trigonometric approximations and orthoprojective widths of the classes of periodic functions of many variables in a uniform metric by H. M. Vlasyk, V. V. Shkapa, I. V. Zamrii

Get full text