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Results tagged with co.combinatorics
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user 97907
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
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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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