Abstract
LetZ be a generator of an exponentially boundedC-semigroup {S t } t≥0 in a Banach space and letT t =C −1 S t . We show that the spectral mapping theorems such as exp(tσ(Z)) ⊂ σ(T t ) and exp(tσ p (Z)) ⊂ tσ p (T t ) ⊂ exp(tσ p (Z)) ⋃ {0} for everyt≥0 hold.
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The present studies were supported by the Basic Science Research Institute Program, Ministry of Education, 1987.
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Ha, K.S. Spectral mapping theorems for exponentially bounded c-semigroups in Banach spaces. Semigroup Forum 38, 215–221 (1989). https://doi.org/10.1007/BF02573232
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DOI: https://doi.org/10.1007/BF02573232