On the Discreteness of the Spectrum of Matrix Schrödinger and Dirac Operators with Point Interactions

[No abstract available]

Authors
Budyka V.S. 1, 2 , Malamud M.M. 2
Journal
Mathematical Notes
Publisher
Pleiades Publishing, Ltd.
Issue number
5-6
Language
English
Pages
960-966
State
Published
Link
External link
DOI
10.1134/S0001434621110341
Volume
110
Year
2021
Organizations
  • 1 Donetsk State Academy of Management and Public Administration, Donetsk, 83015, Ukraine
  • 2 Peoples’ Friendship University of Russia (RUDN University), Moscow, 117198, Russian Federation
Keywords
deficiency indices; discrete spectrum; Jacobi matrix; point interactions; Schrödinger and Dirac operators
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