Publication date

2005

Abstract

R.P. Boas has found necessary and sufficient conditions of belonging of function to Lipschitz class. From his findings it turned out, that the conditions on sine and cosine coefficients for belonging of function to Lip α(0 < α < 1) are the same, but for Lip 1 are different. Later his results were generalized by many authors in the viewpoint of generalization of condition on the majorant of modulus of continuity. The aim of this paper is to obtain Boas-type theorems for generalized Lipschitz classes. To define generalized Lipschitz classes we use the concept of modulus of smoothness of fractional order.

Document Type

Article


Prepublicació

Language

English

Subjects and keywords

Lipschitz, Funcions de; Funcions

Publisher

Centre de Recerca Matemàtica

Related items

Centre de Recerca Matemàtica. Prepublicacions ;

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Rights

open access

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