Published Paper

Inserted: 14 jul 2020
Last Updated: 30 mar 2022

Journal: Nonlinear Analysis
Pages: 30
Year: 2022
Doi: 10.1016/j.na.2022.112851
Links: Published version

Abstract:

WegiveamultiplicityresultforsolutionsoftheVanderWaals-Cahn-Hilliard two-phase transition equation with volume constraints on a closed Riemannian manifold. Our proof employs some results from the classical Lusternik–Schnirelman and Morse theory, together with a technique, the so-called photography method, which allows us to obtain lower bounds on the number of solutions in terms of topological invariants of the underlying manifold. The setup for the photography method employs recent results from Riemannian isoperimetry for small volumes.

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