Spectral Nevanlinna-Pick and Carathéodory-Fejér problems

Abstract

The Nevanlinna-Pick problem and the simplest case of the Carathéodory-Fejér problem on the spectral ball $\Om_3$ are reduced to interpolation problems on the symmetrized three-disc $\G_3.$

v2: minor changes

References in corpus (2)

• Discontinuity of the Lempert function of the spectral ball
• Kobayashi-Royden pseudometric vs. Lempert function

Cited by in corpus (2)

• Some analysable instances of mu-synthesis
• A case of mu-synthesis as a quadratic semidefinite program