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Spectral Nevanlinna-Pick problem and weak extremals in the symmetrized bidisc
Published 3 Apr 2014 in math.CV and math.FA | (1404.1067v2)
Abstract: The main goal of the paper is to study $m$-extremal mappings in the symmetrized bidisc showing that they are rational and $\GG_2$-inner which, in particular, answers a question posed in \cite{Agl-Lyk-You 2013}.
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