Affiliation:
1. Mohammed First University, Pluridisciplinary Faculty of Nador, Morocco
Abstract
Let (C(t))t?R be a strongly continuous cosine function of operators on a
Banach space X with infinitesimal generator A. In this paper, we prouve that
A has the SVEP if and only if C(t) has the SVEP for all t ? R if and only if
C(t0) has the SVEP for some t0 ? R.
Publisher
National Library of Serbia