A Remark on Pál Type Interpolation on Non-Uniformly Distributed Nodes on the Unit Circle

A Remark on Pál Type Interpolation on Non-Uniformly Distributed Nodes on the Unit Circle

Year:    2014

Analysis in Theory and Applications, Vol. 30 (2014), Iss. 2 : pp. 173–192

Abstract

In this paper we study the problem of explicit representation and convergence of Pál type (0;1) interpolation and its converse, with some additional conditions, on the non-uniformly distributed nodes on the unit circle obtained by projecting the interlaced zeros of $P_n(x)$ and $P′_n(x)$ on the unit circle. The motivation to this problem can be traced to the recent studies on the regularity of Birkhoff interpolation and Pál type interpolations on non-uniformly distributed zeros on the unit circle.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/ata.2014.v30.n2.4

Analysis in Theory and Applications, Vol. 30 (2014), Iss. 2 : pp. 173–192

Published online:    2014-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    20

Keywords:    Pál type interpolation non-uniformly distributed set of points on unit circle Legendre polynomials.