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Characterization of Schur parameter sequences of polynomial Schur functions
Vladimir K. Dubovoy, Bernd Fritzsche, Bernd Kirstein
MFAT 25 (2019), no. 4, 289-310
A function is called a Schur function if it is holomorphic in the open unit disk and bounded by one. In the paper, the Schur parameters of polynomial Schur functions are characterized.