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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.

3 votes

Strengthening the induction hypothesis

Paul Goerss' review of the book "Differential algebras in topology" by David Anick contains the following remark: "...the spaces $D_k$ are constructed and analyzed inductively, with surely the larges …
2 votes

Topological Complexity $TC$ of two robots moving on number $8$

If I understand your question properly, you're asking for the minimum number of open subsets of a wedge of seven circles such that you have unambiguous planning to get from point to point in each subs …
Jeff Strom's user avatar
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