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Full Description
This classic text appears here in a new edition for the first time in four decades. The new edition, with the aid of two new authors, brings it up to date for a new generation of mathematicians and mathematics students.
Elements of Algebraic Topology provides the most concrete approach to the subject. With coverage of homology and cohomology theory, universal coefficient theorems, Kunneth theorem, duality in manifolds, and applications to classical theorems of point-set topology, this book is perfect for communicating complex topics and the fun nature of algebraic topology for beginners.
This second edition retains the essential features of the original book. Most of the notation and terminology are the same. There are some useful additions. There is a new introduction to homotopy theory. A new Index of Notation is included. Many new exercises are added.
Algebraic topology is a cornerstone of modern mathematics. Every working mathematician should have at least an acquaintance with the subject. This book, which is based largely on the theory of triangulations, provides such an introduction. It should be accessible to a broad cross-section of the profession—both students and senior mathematicians. Students should have some familiarity with general topology.
Contents
1 Homology Groups of a Simplicial Complex
1.1 Introduction
1.2 Simplices
1.3 Simplicial Complexes and Simplicial Maps
1.4 Abstract Simplicial Complexes
1.5 Review of Abelian Groups
1.6 Homology Groups
1.7 Homology Groups of Surfaces
1.8 Zero-Dimensional Homology
1.9 The Homology of a Cone
1.10 Relative Homology
1.11 ∗Homology with Arbitrary Coefficients
1.12 ∗The Computability of Homology Groups
1.13 Homomorphisms Induced by Simplicial Maps
1.14 Chain Complexes and Acyclic Carriers
2 Topological Invariance of the Homology Groups
2.1 Introduction
2.2 Simplicial Approximations
2.3 Barycentric Subdivision
2.4 The Simplicial Approximation Theorem
2.5 The Algebra of Subdivision
2.6 Topological Invariance of the Homology Groups
2.7 Homomorphisms Induced by Homotopic Maps
2.8 Review of Quotient Spaces
2.9 ∗Application: Maps of Spheres
2.10 ∗The Lefschetz Fixed Point Theorem
3 Relative Homology and the Eilenberg-Steenrod Axioms
3.1 Introduction
3.2 The Exact Homology Sequence
3.3 The Zig-Zag Lemma
3.4 The Mayer-Vietoris Sequence
3.5 The Eilenberg-Steenrod Axioms
3.6 The Axioms for Simplicial Theory
3.7 ∗Categories and Functors
4 Singular Homology Theory
4.1 Introduction
4.2 The Singular Homology Groups
4.3 The Axioms for Singular Theory
4.4 Excisionin Singular Homology
4.5 ∗Acyclic Models
4.6 Mayer-Vietoris Sequences
4.7 The Isomorphism Between Simplicial and Singular Homology
4.8 ∗Application: Local Homology Groups and Manifolds
4.9 ∗Application: The Jordan Curve Theorem
4.10 The Fundamental Group
4.11 More on Quotient Spaces
4.12 CW Complexes
4.13 The Homology of CW Complexes
4.14 ∗Application: Projective Spaces and Lens Spaces
5 Cohomology
5.1 Introduction
5.2 The Hom Functor
5.3 Simplicial Cohomology Groups
5.4 Relative Cohomology
5.5 Cohomology Theory
5.6 The Cohomology of Free Chain Complexes
5.7 ∗Chain Equivalences in Free Chain Complexes
5.8 The Cohomology of CW Complexes
5.9 Cup Products
5.10 Cohomology Rings of Surfaces
6 Homology with Coefficients
6.1 Introduction
6.2 Tensor Products
6.3 Homology with Arbitrary Coefficients
7 Homological Algebra
7.1 Introduction
7.2 The Ext Functor
7.3 The Universal Coefficient Theorem
7.4 Torsion Products
7.5 The Universal Coefficient Theorem for Homology
7.6 ∗Other Universal Coefficient Theorems
7.7 Tensor Products of Chain Complexes
7.8 The Künneth Theorem
7.9 TheEilenberg-Zilber Theorem
7.10 ∗The Künneth Theorem for Cohomolgy
7.11 ∗Application: The Cohomology Ring of a Product Space
8 Duality in Manifolds
8.1 Introduction
8.2 The Join of Two Complexes
8.3 Homology Manifolds
8.4 The Dual Block Complex
8.5 Poincaré Duality
8.6 Cap Products
8.7 A Second Proof of Poincaré Duality
8.8 ∗Application: Cohomology Rings of Manifolds
8.9 ∗Application: Homotopy Classification of Lens Spaces
8.10 Lefschetz Duality
8.11 Alexander Duality
8.12 Natural Versions of Duality
8.13 Čech Cohomology
8.14 Alexander-Pontryagin Duality
