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Boundary Nevanlinna--Pick interpolation problems for generalized Schur functions

Vladimir Bolotnikov, Alexander Kheifets

math.CVarXiv:math/0507481

Abstract

Three boundary Nevanlinna-Pick interpolation problems at finitely many points are formulated for generalized Schur functions. For each problem, the set of all solutions is parametrized in terms of a linear fractional transformation with a Schur class parameter.

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