On uniform exponential trisplitting for cocycles of linear operators in Banach spaces

Biriş, Larisa Elena; Mihiţ, Claudia Luminiţa; Ceauşu, Traian; Popa, Ioan-Lucian

doi:10.2478/awutm-2018-0017

Abstract

The aim of this paper is to study the concept of uniform exponential trisplitting for skew-product semiflow in Banach spaces. This concept is a generalisation of the well-known concept of uniform exponential trichotomy. We obtain necessary and sufficient conditions for this concept of Datko’s type. a character-isation in terms of Lyapunov functions is provided. The results are obtained from the point of view of the projector families, i.e. invariant and strongly invariant.

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On uniform exponential trisplitting for cocycles of linear operators in Banach spaces

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