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Riemann積分與Lebesgue積分
Riemann積分與Lebesgue積分
摘 要:本文比較了Riemann積分和Lebesgue積分的定義、基本性質;給出了Lebesgue積分不同建立方式的等級性證明.我們討論了有限區間和無窮區間上Riemann可積和Lebesgue可積的關系;最后我們將 中有限區間上Riemann可積和Lebesgue可積的結果推廣到了高維的歐氏空間中的有界區域.
關鍵詞:R積分;L積分;R可積;L可積;廣義R積分.
Riemann integral and Lebesgue integral
Abstract:In this paper , we discuss Riemann integral and Lebesgue integral mainly . we compare some foundamental properties and definitions of these two integrals ; we give a proof of equivalence of three different definitions of Lebesgue integral . Also, we discuss the relation between “Riemann integrable” and “Lebesgue integrable” on finite and infinite intervals . Finally , we give a proof showing that the famous result which says that Riemann interable can lead to the Lebesgue integrable in also holds in finite domains in multi-dimensional space ( ).
Key words:Riemann integral; Lebesgue integral; Riemann integrable; Lebesgue interable; generalized Riemann integral.
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