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Results tagged with co.combinatorics
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user 111528
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
3
votes
Number of valid topologies on a finite set of n elements
You can find the latest results here: https://arxiv.org/pdf/1503.08359.pdf