A note on the spectrum of the Neumann Laplacian in thin periodic waveguides

DOI10.4064/CM7867-7-2019zbMath1487.35257arXiv1606.04513OpenAlexW3020878046MaRDI QIDQ5037752

Carlos R. Mamani, Alessandra A. Verri

Publication date: 4 March 2022

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1606.04513

zbMATH Keywords

Schrödinger operatorsspectral gapsabsolute continuityperiodic waveguides

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Singular perturbations in context of PDEs (35B25) General topics in linear spectral theory for PDEs (35P05) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10)

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