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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

Uniform ergodic theorems for locally integrable semigroups and pseudoresolvents


Author: Sen-Yen Shaw
Journal: Proc. Amer. Math. Soc. 98 (1986), 61-67
MSC: Primary 47A35; Secondary 47D05
MathSciNet review: 848876
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Abstract: We study uniform ergodicity (at $ \infty $) of a locally integrable operator semigroup $ T( \cdot )$ of type $ {w_0}$ under a suitable condition which is weaker than the usual one $ {w_0} \leqslant 0$. We also give a precise characterization of the uniform Cesàro-ergodicity for semigroups of class $ (0,A)$. To prove the part of Abel-ergodicity we first prove a general uniform ergodic theorem for pseudo-resolvents.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0002-9939-1986-0848876-0
PII: S 0002-9939(1986)0848876-0
Keywords: Cesàro-ergodicity, Abel-ergodicity, locally integrable semigroup, Laplace transform, pseudo-resolvent
Article copyright: © Copyright 1986 American Mathematical Society