Brief Communications

$j$-Self-Adjointness Conditions for Jacobi Matrices and Schrödinger and Dirac Operators with Point Interactions

S. A. Aleroev, M. M. Malamud

Peoples' Friendship University of Russia, Moscow

Keywords: Jacobi matrix, defect numbers, Schrödinger and Dirac operators, point interactions, $j$-self-adjointness.

Received: 04.02.2022

DOI: 10.4213/mzm13444

 English version: Mathematical Notes, 2022, 111:6, 970–976

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