Article ID Journal Published Year Pages File Type
4623992 Journal of Mathematical Analysis and Applications 2006 8 Pages PDF
Abstract

Using a variant of the essential approximate point spectrum, we give the necessary and sufficient conditions for T for which the a-Browder's theorem or the a-Weyl's theorem holds. Also, the relation between hypercyclic operators (or supercyclic operators) and the operators which satisfy Weyl type theorem is discussed.

Related Topics
Physical Sciences and Engineering Mathematics Analysis