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Results tagged with graph-theory
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user 14433
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.
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Is it possible to check a graph for acyclicity in $O(|V|)$ time?
I wonder if I can make an algorithm to check if a given graph $G=(V,E)$ is acyclic or not with the complexity of $O(|V|)$.
I modified the BFS algorithm to do this, but the complexity seems to be $O(|V …
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