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arXiv 1003.5748math.CA
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卷绕数与傅里叶级数

Winding numbers and Fourier series

Jean-Pierre Kahane

摘要:

这是一个关于经典分析主题的简短演讲,源于Brézis和Nirenberg(1995)的拓扑度VMO理论。我们概述了这个问题的历史和最近的一些发展。这篇论文是由一系列问题组成的。其中大多数,特别是最后一个,处理绝对值为连续函数的傅里叶级数。其中之一包含新的结果比较求和过程。

英文摘要:

This is an expository talk on a topic of classical analysis, arising from the VMO theory of the topological degree due to Brézis and Nirenberg (1995). We sketch the history of the subject and some of its recent developments. The paper is organized as a sequence of questions. Most of them, in particular the last one, deal with Fourier series of continuous functions of constant absolute value. One of them contains new results on the comparison of summation processes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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