The Critical Spectrum of a Strongly Cont
β
Rainer Nagel; Jan Poland
π
Article
π
2000
π
Elsevier Science
π
English
β 132 KB
For a strongly continuous semigroup (T(t)) t 0 with generator A we introduce its critical spectrum \_ crit (T(t)). This yields in an optimal way the spectral mapping theorem \_(T(t))=e t\_(A) \_ \_ crit (T(t)) and improves classical stability results. 2000