Published Paper
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Inserted: 4 nov 2019
Last Updated: 13 nov 2026

Journal: Inventiones mathematicae
Year: 2021

Abstract:

We prove a regularity theorem for the free boundary of minimizers of the two-phase Bernoulli problem, completing the analysis started by Alt, Caffarelli and Friedman in the 80s. As a consequence, we also show regularity of minimizers of the multiphase spectral optimization problem for the principal eigenvalue of the Dirichlet Laplacian.

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• Two@phase_sub2_rev2-final.pdf