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Questions about the branch of combinatorics called graph theory (not to be used for questions concerning the graph of a function). This tag can be further specialized via using it in combination with more specialized tags such as extremal-graph-theory, spectral-graph-theory, algebraic-graph-theory, topological-graph-theory, random-graphs, graph-colorings and several others.

2 votes

Maximal clique intersection graphs

Hi, I have been working with clique graphs for the last 10 years. My doctoral tesis was about clique graphs. Recently we have proved that recognizing clique graphs is an NP-complete problem. See Th …
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