Polynomially Riesz perturbations

[摘要] In this paper we investigate perturbation of left (right) Fredholm, Weyl and Browder operators by polynomially Riesz operators. We show how Baklouti's idea of communication enhances the perturbation properties of polynomially Riesz operators. (C) 2013 Elsevier Inc. All rights reserved.

[发布日期] 2013-12-15

[关键词] Homomorphism of Banach algebras;Left and right Fredholm, Weyl and Browder operators;Polynomially Riesz operator;Perturbation