1.Introduction
Chapter 1.Graphs Category and Three-manifolds as correspondences
1.Three-manifolds as correspondences
2.Composition ofcorrespondencas
3.Representations and compositions of correspondences
4.Semigroupoids and additive categories
5.Categories of graphs and correspondences
6.Convolution algebra and time evolution
7.Equivalence of correspondences
8.Convolution algebras and 2-semigroupoids
9.Vertical and horizontal time evolutions
10.Vertical time evolution: Hattie-Hawking gravity
11.Vertical time evolution: gauge moduli and index theory
12.Horizontal time evolution: bivariant Chern character
13.Noncommutative spaces and spectral correspondences
Chapter 2.Knots, Khovanov Homology
1.Introduction
2.From graphs to knots
3.Khovanov Homology
4.Knots and Links Cobordism Groups
5.Graphs and cobordisms
6.Homology theories for embedded graphs
7.Questions and Future Work
Appendix A.
1.Branched Covering
2.Filtration
3.Knot and link
4.Topological Quantum Field Theory
5.2-Category
6.Group Rings
7.Creation and annihilation operators
8.A quick introduction to Dirac operators
9.Concepts of Cyclic Cohomology
Appendix.Bibliography
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