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TW 402

Adhemar Bultheel, Pablo González-Vera, Erik Hendriksen, Olav Njåstad
Separation of zeros of para-orthogonal rational functions

Abstract

We generalize a result by L. Golinskii [Quadrature formula and zeros of para-orthogonal polynomials on the unit circle. Acta Math. Hungar. 96 (2002) 169--186] on separation of the zeros of para-orthogonal polynomials on the unit circle to a similar result for para-orthogonal rational functions.