Some thing about Graph

Learning CNNs for Arbitrary Graphs （Graph-like data）:

Learning Convolutional Neural Networks for Graphs

Graph canonization:

https://en.wikipedia.org/wiki/Graph_canonization

Graph isomorphism

https://en.wikipedia.org/wiki/Graph_isomorphism

Bijection, injection and surjection

https://en.wikipedia.org/wiki/Bijection,_injection_and_surjection

Graph labeling

https://en.wikipedia.org/wiki/Graph_labeling

nauty

http://pallini.di.uniroma1.it/

PageRank

http://www.cnblogs.com/fengfenggirl/p/pagerank-introduction.html#commentform