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Positive harmonic functions in union of chambers

2012/10/03 by Laura Abatangelo, Susanna Terracini, Abatangelo, Laura +1
Computer Science · Engineering · Mathematics · #Advanced Mathematical Modeling in Engineering #Analysis of PDEs (math.AP) #Composite Material Mechanics #FOS: Mathematics #Numerical methods in inverse problems

paper · pdf · doi:10.48550/arxiv.1210.1070

openalex publication_date 2012/10/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We characterize the set of positive harmonic functions with Dirichlet boundary conditions in unbounded domains which are union of several different chambers. We analyze the asymptotic behavior of the solutions in connection with the changes in the domain's geometry. Finally we classify all (possibly sign-changing) infinite energy solutions having minimal frequency at the infinite ends of the domain.

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