THE EIGENVALUES OF A CLASS OF HESSENBERG MATRIXES.

A. Sri RANGA

Eliana Xavier Linhares de ANDRADE[1]

§    ABSTRACT: Hessenberg matrixes whose characteristic polynomials satisfy a three term relation are considered. Some results regarding the behaviour of the eigenvalues of these matrixes under certain conditions on theirs coefficients are given.

§    KEYWORDS: Hessenberg matrixes; eigenvalues



[1] Departamento de Ciências da Computação e Estatística - Instituto de Biociências, Letras e Ciências Exatas - UNESP - 15054-000 São José do Rio Preto - SP