A New Inertia Theorem for Stein Equations,Inertia of Invertible Hermitian Block Toeplitz Matrices and Matrix Orthogonal Polynomials期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A New Inertia Theorem for Stein Equations,Inertia of Invertible Hermitian Block Toeplitz Matrices and Matrix Orthogonal Polynomials

Authors:	Leonid?Lerer author-information" > author-information__contact u-icon-before" > mailto:llerer@techunix.technion.ac.il" title=" llerer@techunix.technion.ac.il" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,André?C. M.?Ran

Affiliation:	(1) Department of Mathematics, Technion-Israel Institute of Technology, Haifa, 3200, Israel;(2) Divisie Wiskunde en Informatica, Faculteit Wiskunde en Informatica, Vrije Universiteit Amsterdam, De Boelelaan 1081a, HV Amsterdam, 1081, The Netherlands

Abstract:	In this paper we present an inertia result for Stein equations withan indefinite right hand side. This result is applied to establish connnectionsbetween the inertia of invertible hermitian block Toeplitz matrices and associatedorthogonal polynomials.

Keywords:	Primary: 15A24 47B35 Secondary: 47A56
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