Browsing AURA by Author "Signahl, Mikael"

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Factorizations and Singular Value Estimates of Operators with Gelfand–Shilov and Pilipović kernels

Signahl, Mikael; Toft, Joachim (Journal article; Peer reviewed, 2017)

We prove that any linear operator with kernel in a Pilipović or Gelfand–Shilov space can be factorized by two operators in the same class. We also give links on numerical approximations for such compositions. We apply these ...
Mapping properties for the Bargmann transform on modulation spaces

Signahl, Mikael; Toft, Joachim (Journal article; Peer reviewed, 2012)

We investigate mapping properties for the Bargmann transform and prove that this transform is isometric and bijective from modulation spaces to convenient Banach spaces of analytic functions. We also present some consequences. ...