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Results tagged with graph-theory
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user 97907
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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Chromatic Number of graph of a set of squares [closed]
We are given a set of squares in the plane with sides parallel to the x-y axes.
We know that intersection of every three of them is empty.
Show that we can color these squares with red, blue and gr …
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