莫尔斯理论入门 [An Invitation to Morse Theory] epub pdf mobi txt 电子书 下载 2024

莫尔斯理论入门 [An Invitation to Morse Theory] epub pdf mobi txt 电子书 下载 2024

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莫尔斯理论入门 [An Invitation to Morse Theory] epub pdf mobi txt 电子书 下载 2024

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内容简介

As the the title suggests， the goal of this book is to give the reader a taste of the “unreasonable effectiveness” of Morse theory. The main idea behind thistechnique can be easily visualized.
Suppose M is a smooth， compact manifold， which for simplicity we as-sume is embedded in a Euclidean space E. We would like to understand basictopological invariants of M such as its homology， and we attempt a “slicing” technique.

目录

Preface
Notations and conventions
1 Morse Functions
1.1 The Local Structure of Morse Functions
1.2 Existence of Morse Functions

2 The Topology of Morse Functions
2.1 Surgery，Handle Attachment.and Cobordisms
2.2 The Topology of Sublevel Sets
2.3 Morse Inequalities
2.4 Morse-Smale Dynamics
2.5 Morse-Floer Homology
2.6 Morse-Bott Functions
2.7 Min-Max Theory

3 Applications
3.1 The Cohomology of Complex Grassmannians
3.2 Lefschetz Hyperplane Theorem
3.3 Symplectic Manifolds and Hamiltonian Flows
3.4 Morse Theory of Moment Maps
3.5 S1-Equivariant Localization

4 Basics of Comple X Morse Theory
4.1 Some Fundamental Constructions
4.2 Topological Applications of Lefschetz Pencils
4.3 The Hard Lefschetz Theorem
4.4 Vanishing Cycles and Local Monodromy
4.5 Proofofthe Picard Lefschetz formula
4.6 Global Picard-Lefschetz Formulae

5 Exercises and Solutions
5.1 Exercises
5.2 Solutions to Selected Exercises
References
Index

前言/序言

　　As the the title suggests， the goal of this book is to give the reader a taste of the “unreasonable effectiveness” of Morse theory. The main idea behind thistechnique can be easily visualized.
　　Suppose M is a smooth， compact manifold， which for simplicity we as-sume is embedded in a Euclidean space E. We would like to understand basictopological invariants of M such as its homology， and we attempt a “slicing” technique.
　　We fix a unit vector u in E and we start slicing M with the family of hyperplanes perpendicular to u. Such a hyperplane will in general intersectM along a submanifold （slice）. The manifold can be recovered by continuouslystacking the slices on top of each other in the same order as they were cut out of M.
　　Think of the collection of slices as a deck of cards of various shapes. If welet these slices continuously pile up in the order they were produced， we noticean increasing stack of slices. As this stack grows， we observe that there aremoments of time when its shape suffers a qualitative change. Morse theoryis about extracting quantifiable information by studying the evolution of theshape of this growing stack of slices.

莫尔斯理论入门 [An Invitation to Morse Theory] epub pdf mobi txt 电子书 下载 2024

莫尔斯理论入门 [An Invitation to Morse Theory] 下载 epub mobi pdf txt 电子书 2024

评分☆☆☆☆☆

如果两曲面沿一曲线相切，并且此曲线是其中一个曲面的测地线，那么它也是另一个曲面的测地线。

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1 三维空间中的曲面

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三维空间中的曲面 [编辑]

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如果两曲面沿一曲线相切，并且此曲线是其中一个曲面的测地线，那么它也是另一个曲面的测地线。

评分☆☆☆☆☆

应该是比较适合初学者的书，而且也不是很厚，值得一看。

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看不懂，没注意是全英文的，出版社真是省事啊，我都想骂人了，你就翻译个名字印在书皮上就完事了？！

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2.1 唯一性及存在性

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目录 [隐藏]

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小册子，参考

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