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The higher order Carathéodory--Julia theorem and related boundary interpolation problems

Vladimir Bolotnikov, Alexander Kheifets

math.CAarXiv:math/0701106

Abstract

The higher order analogue of the classical Carathéodory-Julia theorem on boundary angular derivatives has been obtained in bk3. Here we study boundary interpolation problems for Schur class functions (analytic and bounded by one in the open unit disk) motivated by that result.

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