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A geometric approximation of $\delta$-interactions by Neumann Laplacians - MaRDI portal

A geometric approximation of $\delta$-interactions by Neumann Laplacians

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Publication:6365803

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DOI10.1088/1751-8121/ac2d52zbMath1523.47028arXiv2104.10463MaRDI QIDQ6365803

Olaf Post, Andrii Khrabustovskyi

Publication date: 21 April 2021

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Linear symmetric and selfadjoint operators (unbounded) (47B25) Schrödinger operator, Schrödinger equation (35J10) Linear operator approximation theory (47A58) Operators arising in mathematical physics (47B93)

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