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geoffrey
  • Member for 6 years, 2 months
  • Last seen more than 1 year ago
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14
Prove or disprove: $R^{n+1} \supseteq R \cap R^2 \cap \cdots \cap R^n$ for every binary relation $R$ on a set of size $n$
Nov 21, 2023
3
What alternatives are there to the binomial poset theory of generating function families?
Sep 30, 2022

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7
How can I iterate this process?
7
How do I replace elements in a list matching a pattern?
7
How do I get the permutation matrix of an element in the symmetric group?
7
Non crossing set partitions
7
How to make a list cyclically adjacent pairs?