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math.CV2015
Rational Carathéodory Functions and Central Non-negative Hermitian Measures
Bernd Fritzsche, Bernd Kirstein, Conrad Mädler
We give an explicit representation of central measures corresponding to finite Toeplitz non-negative definite sequences of complex matrices. Such measures are intimatel…
math.CV2015
On Matrix-Valued Stieltjes Functions with an Emphasis on Particular Subclasses
Bernd Fritzsche, Bernd Kirstein, Conrad Mädler
The paper deals with particular classes of matrix-valued functions which are holomorphic in , where is an arbitrary real number. The…