
A continuation of the Hankel vector approach on the general rational interpolation problem (GRIP) given by \textit{G. N. Chen}, \textit{B. Zhao} and \textit{H. Zhang} [Linear Algebra Appl. 244, 165-201 (1996; Zbl 0857.93049)] was presented. This approach was extended to the Nevanlinna-Pick (NP) interpolation problem with multiple nodes in the class \({\mathcal N}\) of Nevanlinna functions, which can be considered as a GRIP with certain symmetries. A connection between the NP problem and the problems of the power moment was established. The power moment problem is equivalent to the problem of finding functions which belong to \({\mathcal N}\) with a given asymptotic expansion criteria for the NP problem to be solvable, and to be determinate or indeterminate.
Nevanlinna-Pick interpolation, Numerical Analysis, Algebra and Number Theory, interpolation problem, Discrete Mathematics and Combinatorics, Geometry and Topology, Moment problems and interpolation problems in the complex plane, Value distribution of meromorphic functions of one complex variable, Nevanlinna theory
Nevanlinna-Pick interpolation, Numerical Analysis, Algebra and Number Theory, interpolation problem, Discrete Mathematics and Combinatorics, Geometry and Topology, Moment problems and interpolation problems in the complex plane, Value distribution of meromorphic functions of one complex variable, Nevanlinna theory
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