Operators and Matrices · Volume 10, Issue 1

Accumulation of complex eigenvalues of an indefinite Sturm-Liouville operator with a shifted Coulomb potential

10-14 Pages 223-245 DOI 10.7153/oam-10-14

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Authors

Michael Levitin Marcello Seri

Keywords

linear operator pencils non-self-adjoint operators Sturm-Liouville problem Coulomb potential complex eigenvalues Kummer functions

Subject classes

34B24 34L15 47E05 47B50 33C15