The limit shape conjecture for minimal membranes

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Let LL be a unimodal loop, let tLtL denote its dilation by a positive integer tt, and let Memb(tL)\mathrm{Memb}(tL) be the set of minimal membranes with boundary loop tLtL. For a membrane MM, write ⟨M⟩\langle M\rangle for its associated surface, and write ⟨L⟩\langle L\rangle for the boundary loop.

Limit shape conjecture for minimal membranes. There exists a unique surface S⊂RnS\subset\mathbb R^n with boundary ⟨L⟩\langle L\rangle such that, for every ϵ>0\epsilon>0, there is N>0N>0 for which, for every t≥Nt\geq N, the probability under the uniform distribution on Memb(tL)\mathrm{Memb}(tL) that t−1⟨M⟩t^{-1}\langle M\rangle belongs to the ϵ\epsilon-neighborhood of SS is greater than 1−ϵ1-\epsilon.

This conjecture predicts concentration of uniformly random minimal membranes around a deterministic limit surface under dilation of the boundary loop. The supplied text gives no resolution status.

References

Primary source

Thomas Lam and Alexander Postnikov, “Polypositroids”, arXiv:2010.07120 (2020).

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