Continuous frames for unbounded operators

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Abstract

Few years ago Găvruţa gave the notions of K-frame and atomic system for a linear bounded operator K in a Hilbert space H in order to decompose R(K), the range of K, with a frame-like expansion. These notions are here generalized to the case of a densely defined and possibly unbounded operator A on a Hilbert space in a continuous setting, thus extending what have been done in a previous paper in a discrete framework.
Lingua originaleEnglish
pagine (da-a)1-28
Numero di pagine28
RivistaAdvances in Operator Theory
Volume6
Stato di pubblicazionePublished - 2021

All Science Journal Classification (ASJC) codes

  • Analysis
  • Algebra and Number Theory

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