Rowmotion-equivariant bijection for minuscule doppelgänger pairs

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Let (P,Q)(P,Q) be a minuscule doppelgänger pair, and let PPm(P)\mathcal{PP}^{m}(P) and PPm(Q)\mathcal{PP}^{m}(Q) denote their bounded plane-partition sets. Minuscule doppelgänger rowmotion conjecture. There is a bijection

PPm(P)⟷PPm(Q)\mathcal{PP}^{m}(P)\longleftrightarrow\mathcal{PP}^{m}(Q)

which commutes with rowmotion.

The case m=1m=1 was proved by Dao, using a bijection of Hamaker and collaborators; the conjecture remains open for general mm.

References

Primary source

Sam Hopkins, “Order polynomial product formulas and poset dynamics”, arXiv:2006.01568 (2024).

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