Finite speed of propagation and local boundary conditions for wave equations with point interactions

DOI10.1090/S0002-9939-05-08063-9zbMath1113.47063arXivmath-ph/0602024OpenAlexW1758699237MaRDI QIDQ5461320

Andrea Posilicano, Pavel Kurasov

Publication date: 26 July 2005

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math-ph/0602024

zbMATH Keywords

wave equationboundary conditionsfinite propagation speedLaplacian with finite point interactions

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Wave equation (35L05) Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Perturbation theories for operators and differential equations in quantum theory (81Q15) Second-order hyperbolic equations (35L10)

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