15.2 automorphisms on a graph
 15.3 relationships
 15.4 upper maps with symmetry
 15.5 via asymmetrized upper maps
 15.6 notes
chapter 16 genera of graphs
 16.1 a recursion theorem
 16.2 maximum genus
 16.3 minimum genus
 16.4 average genus
 16.5 thickness
 16.6 interlacedness
 16.7 notes
chapter 17 isogemial graphs
 17.1 basic concepts
 17.2 two operations
 17.3 isogemial theorem
 17.4 nonisomorphic isogemial graphs
 17.5 notes
chapter 18 surface embeddability
 18.1 via tree-travels
 18.2 via homology
 18.3 via joint trees
 18.4 via configurations
 18.5 notes
appendix 1 concepts of polyhedra, surfaces, embeddings andmaps
appendix 2 table of genus polynomials for embeddings and maps ofsmall size
appendix 3 atlas of rooted and unrooted maps for smallgraphs
bibliography
terminology
author index

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自然科学 数学 代数数论组合理论

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