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| Auteur principal: | |
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| Format: | Preprint |
| Publié: |
2023
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| Sujets: | |
| Accès en ligne: | https://arxiv.org/abs/2308.08757 |
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Table des matières:
- Denote by $V$ the poset consisting of the elements $\{A,B,C\}$ with cover relations $\{A\lessdot B, A\lessdot C\}$. We show that $P$-strict promotion, as defined by Bernstein, Striker, and Vorland, on $P$-strict labelings of $V\times [\ell]$ with labels in the set $[q]$ has order $2q$ for every $\ell\ge 1$ and $q\ge 3$ as conjectured by Bernstein, Striker, and Vorland. This resolves the equivalent conjecture of Hopkins that the order of piecewise-linear rowmotion on the order polytope of $V\times [k]$ has order $2(k+2)$ for all $k\ge 1$.