| Chapter One Basic Concepts |
| 1 The Combinatorial Method |
| 2 Continuous Transformations in the Plane |
| 3 Compactness and Connectedness |
| 4 Abstract Point Set Topology |
| Chapter Two Vector Fields |
| 5 A Link Between Analysis and Topology |
| 6 Sperner's Lemma and the Brouwer Fixed Point Theorem |
| 7 Phase Portraits and the Index Lemma |
| 8 Winding Numbers |
| 9 Isolated Critical Points |
| 10 The Poincaré Index Theorem |
| 11 Closed Integral Paths |
| 12 Further Results and Applications |
| Chapter Three Plane Homology and Jordan Curve Theorem |
| 13 Polygonal Chains |
| 14 The Algebra of Chains on a Grating |
| 15 The Boundary Operator |
| 16 The Fundamental Lemma |
| 17 Alexander's Lemma |
| 18 Proof of the Jordan Curve Theorem |
| Chapter Four Surfaces |
| 19 Examples of Surfaces |
| 20 The Combinatorial Definition of a Surface |
| 21 The Classification Theorem |
| 22 Surfaces with Boundary |
| Chapter Five Homology of Complexes |
| 23 Complexes |
| 24 Homology Groups of a Complex |
| 25 Invariance |
| 26 Betti Numbers and the Euler Characteristic |
| 27 Map Coloring and Regular Complexes |
| 28 Gradient Vector Fields |
| 29 Integral Homology |
| 30 Torsion and Orientability |
| 31 The Poincaré Index Theorem Again |
| Chapter Six Continuous Transformations |
| 32 Covering Spaces |
| 33 Simplicial Transformations |
| 34 Invariance Again |
| 35 Matrixes |
| 36 The Lefschetz Fixed Point Theorem |
| 37 Homotopy |
| 38 Other Homologies |
| Supplement Topics in Point Set Topology |
| 39 Cryptomorphic Versions of Topology |
| 40 A Bouquet of Topological Properties |
| 41 Compactness Again |
| 42 Compact Metric Spaces |
| Hints and Answers for Selected Problems |
| Suggestions for Further Reading |
| Bibliography |
| Index |