RUS  ENG
Full version
JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

Zap. Nauchn. Sem. POMI, 2018 Volume 467, Pages 191–206 (Mi znsl6577)

This article is cited in 1 paper

Stability of nearly optimal decompositions in Fourier analysis

A. S. Tselishchevab

a St. Petersburg Department of Steklov Mathematical Institute of Russian Academy of Sciences, St. Petersburg, Russia
b Chebyshev Laboratory, St. Petersburg State University, St. Petersburg, Russia

Abstract: The question of existence is treated for near-minimizers for the distance functional (or $E$-functional in the interpolation terminology) that are stable under the action of certain operators. In particular, stable near-minimizers for the couple $(L^1,L^p)$ are shown to exist when the operator is the projection on wavelets and these wavelets possess only some weak conditions of decay at infinity.

Key words and phrases: wavelets, near-minimizers, stability, singular integrals.

UDC: 517.98

Received: 14.06.2018


 English version:
Journal of Mathematical Sciences (New York), 2019, 243:6, 949–959

Bibliographic databases:


© Steklov Math. Inst. of RAS, 2025