ACTA issues

Spectral singularities and asymptotics of contractive semigroups. I

S. Naboko, R. Romanov

Acta Sci. Math. (Szeged) 70:1-2(2004), 379-403

Abstract. The problem of localization of spectral singularities of dissipative operators in terms of the asymptotic of the corresponding exponential function is studied. We give a solution to this problem for the singularities of higher orders in the frame of perturbation theory.

AMS Subject Classification (1991): 47B44, 47D06

Received March 12, 2003. (Registered under 5820/2009.)