Property (gab) through localized SVEP

Author:

Aiena Pietro1,Triolo Salvatore1

Affiliation:

1. DEIM, Università di Palermo Viale delle Scienze, I-90128 Palermo, Italy

Abstract

Abstract In this article we study the property (gab) for a bounded linear operator T 2 L(X) on a Banach space X which is a stronger variant of Browder’s theorem. We shall give several characterizations of property (gab). These characterizations are obtained by using typical tools from local spectral theory. We also show that property (gab) holds for large classes of operators and prove the stability of property (gab) under some commuting perturbations.

Publisher

Walter de Gruyter GmbH

Subject

Applied Mathematics,Control and Optimization,Numerical Analysis,Analysis

Reference36 articles.

1. [1] P. Aiena: Fredholm and local spectral theory, with application to multipliers. Kluwer Academic Press (2004).

2. [2] P. Aiena: Quasi Fredholm operators and localized SVEP. Acta Sci. Math. (Szeged) 73 (2007), 251-263.

3. [3] P. Aiena: Property (w) and perturbations II. J. Math. Anal. Appl. 342, (2008), 830-837.

4. [4] P. Aiena, E. Aponte, E. Bazan: Weyl type theorems for left and right polaroid operators. Integr. Equ. Operator Theory 66 (2010), 1-20.

5. [5] P. Aiena, M. T. Biondi: Browder's theorems through localized SVEP. Mediterr. J. Math. 2 (2005), no. 2, 137{151.

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