刘彦佩选集 第14编PDF电子书下载

Topological Theory on Graphs 6371

14.1 Preliminaries 6380

14.2 Polyhedra 6404

14.3 Surfaces 6420

14.4 Homology on Polyhedra 6447

14.5 Polyhedra on the Sphere 6470

14.6 Automorphisms of a Polyhedron 6493

14.7 Gauss Crossing Sequences 6530

14.8 Cohomology on Graphs 6550

14.9 Embeddability on Surfaces 6574

14.10 Embeddings on the Sphere 6586

14.11 Orthogonality on Surfaces 6614

14.12 Net Embeddings 6656

14.13 Extremality on Surfaces 6687

14.14 Matroidal Graphicness 6728

14.15 Knot Polynomials 6749