On the discreteness of the spectrum of matrix Schrödinger and Dirac operators with point interactions

DOI10.1134/S0001434621110341OpenAlexW4200136861MaRDI QIDQ2063689

V. S. Budyka, Mark M. Malamud

Publication date: 11 January 2022

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0001434621110341

zbMATH Keywords

discrete spectrumpoint interactionsJacobi matrixdeficiency indicesSchrödinger and Dirac operators

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Jacobi (tridiagonal) operators (matrices) and generalizations (47B36)

Related Items

\(j\)-self-adjointness conditions for Jacobi matrices and Schrödinger and Dirac operators with point interactions, Deficiency indices of block Jacobi matrices that do not satisfy the Carleman condition, and operators with point interactions

Cites Work

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