Book:Bert Mendelson/Introduction to Topology/Third Edition

Subject Matter

 * Topology

Contents

 * Preface to Third Edition


 * $1 \quad$ Theory of Sets


 * 1 Introduction
 * 2 Sets and subsets
 * 3 Set operations: union, intersection, and complement
 * 4 Indexed families of sets
 * 5 Products of sets
 * 6 Functions
 * 7 Relations
 * 8 Composition of functions and diagrams
 * 9 Inverse functions, extensions and restrictions
 * 10 Arbitrary products


 * $2 \quad$ Metric Spaces


 * 1 Introduction
 * 2 Metric spaces
 * 3 Continuity
 * 4 Open balls and neighborhoods
 * 5 Limits
 * 6 Open sets and closed sets
 * 7 Subspaces and equivalence of metric spaces
 * 8 An infinite dimensional Euclidean space


 * $3 \quad$ Topological Spaces


 * 1 Introduction
 * 2 Topological spaces
 * 3 Neighborhoods and neighborhood spaces
 * 4 Closure, interior, boundary
 * 5 Functions, continuity, homeomorphism
 * 6 Subspaces
 * 7 Products
 * 8 Identification of topologies
 * 9 Categories and functors


 * $4 \quad$ Connectedness


 * 1 Introduction
 * 2 Connectedness
 * 3 Connectedness on the real line
 * 4 Some applications of connectedness
 * 5 Components and local connectedness
 * 6 Path-connected topological spaces
 * 7 Homotopic paths and the fundamental group
 * 8 Simple connectedness


 * $5 \quad$ Compactness


 * 1 Introduction
 * 2 Compact topological spaces
 * 3 Compact subsets of the real line
 * 4 Products of compact spaces
 * 5 Compact metric spaces
 * 6 Compactness and the Bolzano-Weierstrass property
 * 7 Surfaces by identification


 * Bibliography


 * Index



Source work progress
* : $\S 3.3$: Neighborhoods and Neighborhood Spaces: Exercise $3$


 * Reworking. Exercises all entered (not all complete) up to here. Section $7$ exercises have not been done, and Section $8$ has been completely missed out.


 * : Chapter $2$: Metric Spaces: $\S 7$: Subspaces and Equivalence of Metric Spaces


 * Again from Chapter $3$, complete up to here:


 * : Chapter $3$: Topological Spaces: $\S 2$: Topological Spaces: Exercise $1$


 * ... and section $3$ to here:


 * : Chapter $3$: Topological Spaces: $\S 3$: Neighborhoods and Neighborhood Spaces: Definition $3.4$


 * Chapter $2$ questions still needing to be completed:


 * : Chapter $2$: Metric Spaces: $\S 2$: Metric Spaces: Exercise $6$ (an answer given but it is questionable)


 * : Chapter $2$: Metric Spaces: $\S 4$: Open Balls and Neighborhoods: Exercise $7$


 * : Chapter $2$: Metric Spaces: $\S 5$: Limits: Exercise $2$


 * : Chapter $2$: Metric Spaces: $\S 6$: Open Sets and Closed Sets: Exercise $1$


 * : Chapter $2$: Metric Spaces: $\S 6$: Open Sets and Closed Sets: Exercise $3$


 * : Chapter $2$: Metric Spaces: $\S 6$: Open Sets and Closed Sets: Exercise $4$