Algebraic Graph Theory
About this book
Graph models are extremely useful for almost all applications and applicators as they play an important role as structuring tools. They allow to model net structures – like roads, computers, telephones – instances of abstract data structures – like lists, stacks, trees – and functional or object oriented programming. In turn, graphs are models for mathematical objects, like categories and functors.
This highly self-contained book about algebraic graph theory is written with a view to keep the lively and unconventional atmosphere of a spoken text to communicate the enthusiasm the author feels about this subject. The focus is on homomorphisms and endomorphisms, matrices and eigenvalues. It ends with a challenging chapter on the topological question of embeddability of Cayley graphs on surfaces.
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Information
Table of contents
- Preface
- 1 Directed and undirected graphs
- 2 Graphs and matrices
- 3 Categories and functors
- 4 Binary graph operations
- 5 Line graph and other unary graph operations
- 6 Graphs and vector spaces
- 7 Graphs, groups and monoids
- 8 The characteristic polynomial of graphs
- 9 Graphs and monoids
- 10 Compositions, unretractivities and monoids
- 11 Cayley graphs of semigroups
- 12 Vertex transitive Cayley graphs
- 13 Embeddings of Cayley graphs – genus of semigroups
- Bibliography
- Index
- Index of symbols
