De Branges functions of Schroedinger equations

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We characterize the Hermite–Biehler (de Branges) functions E which correspond to Schroedinger operators with L2L2 potential on the finite interval. From this characterization one can easily deduce a recent theorem by Horvath. We also obtain a result about location of resonances.
Original languageEnglish
Pages (from-to)251-263
Number of pages13
JournalCollectanea Mathematica
Issue number2
StatePublished - 1 May 2017

Scopus subject areas

  • Mathematics(all)


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