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Okazawa, N. (2000) Logarithms and Imaginary Powers of Closed Linear Operators. Integral Equations and Operator Theory, 38, 458-500. https://doi.org/10.1007/BF01228608

has been cited by the following article:

• TITLE: Alternative Infinitesimal Generator of Invertible Evolution Families

  AUTHORS: Yoritaka Iwata

  KEYWORDS: Invertible Evolution Family, Abstract Cauchy Problem

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.5 No.4, April 12, 2017

  ABSTRACT: A logarithm representation of evolution operators is defined. Generators of invertible evolution families are characterized by the logarithm representation. In this article, using the logarithm representation, a concept of evolution operators without satisfying the semigroup property is introduced. In conclusion the existence of alternative infinitesimal generator is clarified.