ISSN: 1889-3066 (printed version) ISSN: 1989-7251 (on line version)
Volume available Table of contents Vol. 13, 2022 Vladyslav Babenko, Yuliya Babenko and Nadiia Kriachko (1-28) A solution to Stechkin's problem for functions of a self-adjoint operator in a Hilbert space, Taikov-type inequalities, and their applications Full text Monika Nowicka and Alfred Witkowski (29-41) Optimal bounds for the sine and hyperbolic tangent means III Full text Shira Faigenbaum-Golovin and David Levin (43-73) Approximation of functions on manifolds in high dimension from noisy scattered data Full text