Relation between the boundary point spectrum of a generator and of its adjoint
FUENSANTA ANDREU, José M. Mazón · LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) · 1990
In this paper we get some relations between the boundary point spectrum of the generator A of a C0-semigroup and the generator A* of the dual semigroup. These relations combined with the results due to Lyubich-Phóng and Arendt-Batty, yield stability results on positive Cosemigroups