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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
1 answer
479 views

Odd cycle transversal

Suppose we have a graph G. Say B a fundamental basis of the cycle space of G. Say LP a linear programming problem where there is a variable for each vertex of G, each variable can take value $\geq 0$, …
Mario Giambarioli's user avatar
0 votes
0 answers
121 views

Vertex cover algorithm

Given a graph $G(V, E)$, remove the vertex (or one of the vertices) with the highest cardinality from $G$ and put it in a list $L$. Repeat until in $G$ there are only vertices with cardinality $0$ (no …
Mario Giambarioli's user avatar