拓扑学 [Topology] epub pdf mobi txt 电子书 下载 2025

拓扑学 [Topology] epub pdf mobi txt 电子书 下载 2025

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拓扑学 [Topology] epub pdf mobi txt 电子书 下载 2025

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内容简介

This volume covers approximately the amount of point-set topology that a student who does not intend to specialize in the field should nevertheless know.This is not a whole lot， and in condensed form would occupy perhaps only a small booklet. Our aim， however， was not economy of words， but a lively presentation of the ideas involved， an appeal to intuition in both the immediate and the higher meanings.

内页插图

目录

Introduction
1.what is point-set topology about?
2.origin and beginnings
Chapter Ⅰ fundamental concepts
1.the concept of a topological space
2.metric spaces
3.subspaces, disjoint unions and products
4.rases and subbases
5.continuous maps
6.connectedness
7.the hausdorff separation axiom
8.compactness

Chapter Ⅱ topological vector spaces
1.the notion of a topological vector space
2.finite-dimensional vector spaces
3.hilbert spaces
4.banach spaces
5.frechet spaces
6.locally convex topological vector spaces
7.a couple of examples

Chapter Ⅲ the quotient topology
1.the notion of a quotient space
2.quotients and maps
3.properties of quotient spaces
4.examples: homogeneous spaces
5.examples: orbit spaces
6.examples: collapsing a subspace to a point
7.examples: gluing topological spaces together

Chapter Ⅳ completion of metric spaces
1.the completion of a metric space
2.completion of a map
3.completion of normed spaces

Chapter Ⅴ homotopy
1.homotopic maps
2.homotopy equivalence
3.examples
4.categories
5.functors
6.what is algebraic topology?
7.homotopy--what for?
Chapter Ⅵ the two countability axioms
1.first and second countability axioms
2.infinite products
3.the role of the countability axioms
Chapter Ⅶ cw-complexes
1.simplicial complexes
2.cell decompositions
3.the notion of a cw-complex
4.subcomplexes
5.cell attaching
6.why cw-complexes are more flexible
7.yes, but...?

Chapter Ⅷ construction of continuous functions on topological spaces
1.the urysohn lemma
2.the proof of the urysohn lemma
3.the tietze extension lemma
4.partitions of unity and vector bundle sections
5.paracompactness

Chapter Ⅸ covering spaces
1.topological spaces over x
2.the concept of a covering space
3.path lifting
4.introduction to the classification of covering spaces
5.fundamental group and lifting behavior
6.the classification of covering spaces
7.covering transformations and universal cover
8.the role of covering spaces in mathematics

Chapter Ⅹ the theorem of tychonoff
1.an unlikely theorem?
2.what is it good for?
3.the proof
last Chapter
set theory （by theodor br6cker）
references
table of symbols
index

前言/序言

拓扑学 [Topology] epub pdf mobi txt 电子书 下载 2025

拓扑学 [Topology] 下载 epub mobi pdf txt 电子书 2025

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老古董书籍 哈哈哈哈哈哈哈

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图书质量很好，下次还会来买！

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好书，快递给力，值得收藏

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送货速度非常非常快，好评

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好书，好好读……

评分☆☆☆☆☆

书中有很多非常漂亮的插图，而且有不少作者信手拈来的对现代数学概念的直观但并不肤浅的介绍，如纤维丛、流形嵌入和交换Banach代数等等。记得当时照葫芦画瓢地推导了Stone-Cech紧化后，一直迷惑不解。直到不久后有一天看到这本书对Banach代数的介绍后突然好像懂了，那种奇妙感觉至今难以忘记。除此之外，很多以前学过的概念和理论都是从读这本书开始真正理解的，如单位分解与仿紧的关系，我没有见到比这本书写的更清楚的。

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帮别人买的估计还不错

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这本书不是传统意义上的拓扑教科书，但对于初学者深入了解一般拓扑学具有巨大价值。笔者大约在二十年前曾非常仔细地读过这本书（至少3遍），是我为数不多的从头至尾全部阅读过的书之一。笔者强烈推荐给现在正在学习数学的读者。

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老古董书籍 哈哈哈哈哈哈哈

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