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Approximation by trigonometric polynomials in weighted grand Lorentz spaces

Year: 2024

Type: article

Abstract: In the present paper, the relationship between the best approximation of the function and the best approximation of the derivatives of the function in the weighted grand Lorentz spaces has been investigated. The best approximation of the functions by trigonometric polynomials in weighted grand Lorentz spaces is studied. We study the inverse problem of approximation theory in weighted grand Lorentz spaces.

Source: Uzbek Mathematical Journal

DOI: 10.29229/uzmj.2024-3-8

Author: S.Z. Jafarov

Language: English

Topic: Approximation Theory and Sequence Spaces

Subfield: Statistics and Probability

Field: Mathematics

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W4404772941

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