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Sergey V. Ludkowski

Publications and source records attributed to Sergey V. Ludkowski.

3 recordsLinked to original sources

Smashed products of topological left quasigroups

In this article smashed products of topological left quasigroups are scrutinized. Quotients of topological fan quasigroups are investigated. Skew smashed products of fan quasigroups and their structure also are studied.

math.GR

Approximation in Müntz spaces $M_{Λ,p}$ of $L_p$ functions for $1<p<\infty $ and bases

Müntz spaces satisfying the Müntz and gap conditions are considered. A Fourier approximation of functions in the Müntz spaces $M_{Λ,p}$ of $L_p$ functions is studied, where $1<p<\infty $. It is proved that up to an isomorphism and a change of variables these spaces are contained in Weil-Nagy's class. Moreover, existence of Schauder bases in the Müntz spaces $M_{Λ,p}$ is investigated.

math.FA