Article ID Journal Published Year Pages File Type
4622672 Journal of Mathematical Analysis and Applications 2007 8 Pages PDF
Abstract

A complex number λ is called an extended eigenvalue of a bounded linear operator T on a Banach space B if there exists a non-zero bounded linear operator X acting on B such that XT=λTX. We show that there are compact quasinilpotent operators on a separable Hilbert space, for which the set of extended eigenvalues is the one-point set {1}.

Related Topics
Physical Sciences and Engineering Mathematics Analysis