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Stable solutions of the Allen--Cahn equation in dimension three are one-dimensional

Hardy Chan, Xavier Fernández‐Real, Alessio Figalli, Enric Florit-Simon and Joaquim Serra

Published
Source
OpenAlex
Published in
arXiv (Cornell University)
DOI
10.48550/arxiv.2609.30194
Original
Read it at the publisher
Topics
Materials ScienceNumerical Analysis

Abstract

We prove that every bounded stable solution of the Allen--Cahn equation in $\mathbb R^3$ is one-dimensional. As a consequence, this shows the validity of De Giorgi's conjecture for monotone solutions in dimension four.

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