A Kolmogorov type criterion for the best approximating operator

zbMath0813.41020MaRDI QIDQ1332024

I. Ya. Tyrygin

Publication date: 26 September 1994

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

Kolmogorov theorem

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by arbitrary linear expressions (41A45)

This page was built for publication: A Kolmogorov type criterion for the best approximating operator