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Results tagged with co.combinatorics
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user 156792
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
5
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1
answer
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Enumerating antichains modulo permutation
I encountered the following combinatorics problem in my research, and I'd like to know if there is a reference or an easy solution for such a problem.
Given a partially ordered set $\mathscr P$, an a …
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