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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.

10 votes
4 answers
647 views

Deciding homomorphic images of De Bruijn graphs

The De Bruijn graph $B_n$ of dimension $n$ (on the two-letter alphabet) is defined as the directed graph on $2^n$ vertices and $2^{n+1}$ edges, where for every $w = w_0 \dots w_n \in 2^{n+1}$ we put a …
Sam van G's user avatar
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