浮华 发表于 2025-3-21 16:11:44

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澄清 发表于 2025-3-21 22:01:15

Completeness, Compactness, and Reflexivity,In a metric space we have characterized completeness in terms of sequences; in general this does not suffice and we need to use —

Vulvodynia 发表于 2025-3-22 01:43:01

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humectant 发表于 2025-3-22 04:37:08

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cogitate 发表于 2025-3-22 12:15:03

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乞讨 发表于 2025-3-22 16:05:49

Metric Geometry in Normed Spaces,Banach’s book, p. 160, gives a theorem of . and . that . 0 . 0 .. This is true only for real-linear spaces, and is proved by characterizing the midpoint of a segment in a normed space in terms of the distance function. Using the same proof a slightly stronger result can be attained.

negligence 发表于 2025-3-22 17:17:35

,Reader’s Guide,There are many subjects which could only be briefly mentioned or completely ignored in this book, but which have been studied in detail in research papers.

motor-unit 发表于 2025-3-23 00:02:54

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monogamy 发表于 2025-3-23 04:54:40

Overview: 978-3-662-41637-2

冰雹 发表于 2025-3-23 07:58:10

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查看完整版本: Titlebook: Normed Linear Spaces; Mahlon M. Day Book 19622nd edition Springer-Verlag Berlin Heidelberg 1962 analysis.mathematics.real function