Multiplicative perturbations of local C-cosine functions
DOI:
https://doi.org/10.24193/subbmath.2021.3.13Keywords:
Local C-cosine function, subgenerator, generator, abstract Cauchy problem.Abstract
We establish some left and right multiplicative perturbations of a local C-cosine function C(·) on a complex Banach space X with non-densely defined generator, which can be applied to obtain some new additive perturbation results concerning C(·).
Mathematics Subject Classification (2010): 47D60, 47D62.
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