The limit shape conjecture for minimal membranes

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 SRnS\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 tNt\geq N, the probability under the uniform distribution on Memb(tL)\mathrm{Memb}(tL) that t1Mt^{-1}\langle M\rangle belongs to the ϵ\epsilon-neighborhood of SS is greater than 1ϵ1-\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.

Sources & referencesView supporting material

Primary source

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

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