Abstract
A general solution of the degenerate Nevanlinna-Pick problem is described in terms of fractional-linear transformations. A resolvent matrix of the problem is obtained in the form of a J-expanding matrix of full rank.
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Translated from Ukrains’kyi Matematychnyi Zhurnal, Vol. 57, No. 10, pp. 1334–1343, October, 2005.
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Dyukarev, Y.M. Degenerate Nevanlinna-Pick problem. Ukr Math J 57, 1559–1570 (2005). https://doi.org/10.1007/s11253-006-0014-8
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DOI: https://doi.org/10.1007/s11253-006-0014-8