Conjecture on sublinear transition-zone width in all dimensions

From papers

Let uωu_\omega be the solution from Definition, under the hypotheses of Theorem (i) but without its limitation on the dimension dd, and let Luω,η(t)L_{u_\omega,\eta}(t) denote the transition-zone width for η>0\eta>0. Sublinear transition-zone conjecture. For each η>0\eta>0 and almost all ωΩ\omega\in\Omega,

limt1tLuω,η(t)=0.\lim_{t\to\infty}\frac{1}{t}L_{u_\omega,\eta}(t)=0.

If true, this would extend the dimension-dependent results to all dimensions: together with Theorem 1.8(i), it would imply the existence of a deterministic Wulff shape without the restriction on dd. The source explains that known counterexamples in dimensions d4d\geq 4 rely on reaction properties occurring with probability zero in the stationary ergodic setting, so the assertion remains plausible but open.

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Sources & referencesView supporting material

Primary source

Jessica Lin and Andrej Zlatoš, “Stochastic Homogenization for Reaction-Diffusion Equations”, arXiv:1712.09674 (2018).

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