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JOURNALS // Problemy Fiziki, Matematiki i Tekhniki (Problems of Physics, Mathematics and Technics) // Archive

PFMT, 2025 Issue 1(62), Pages 67–69 (Mi pfmt1017)

This article is cited in 1 paper

MATHEMATICS

Equivalent structural characteristic of a function from a Lebesgue space

G. N. Kazimirov, V. V. Burakovskiy

Francisk Skorina Gomel State University

Abstract: The equivalence of the iterated modulus of smoothness and the Petre $K$-functional is proved.

Keywords: iterated modulus of smoothness, $K$-functional.

UDC: 517.5

Received: 28.12.2024

DOI: 10.54341/20778708_2025_1_62_67



© Steklov Math. Inst. of RAS, 2026