A note on the modulus of continuity of a periodic function

被引：0
|
作者：
Allame, M. [1 ]
Vatankhahan, B. [2 ]
机构：
[1] Islamic Azad Univ, Dept Math, Khorasgan Branch, Esfahan, Iran
[2] Islamic Azad Univ, Dept Math, Mobarekeh Branch, Esfahan, Iran
来源：
APPLIED MATHEMATICS LETTERS | 2011年 / 24卷 / 03期
关键词：
Modulus of a function; Periodic function; Approximation function;
D O I：
10.1016/j.aml.2010.10.017
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Let f (x) be a periodic function with period T. In Rivlin (1969) [1] it is claimed that the modulus of continuity is independent of a on [a, a + T]. In this note we show that this is not correct. (C) 2010 Elsevier Ltd. All rights reserved.
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页码：335 / 336
页数：2
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