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Online veröffentlicht: 11. Dez. 2014
Seitenbereich: 17 - 27
Eingereicht: 29. Juli 2014
Akzeptiert: 20. Sept. 2014
DOI: https://doi.org/10.2478/awutm-2014-0002
© Annals of West University of Timisoara - Mathematics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
The paper considers a concept of exponential trichotomy for cocycles over semiflows in Banach spaces and as a particular case the corresponding dichotomy concept. Our main objective is to give a characterization of exponential trichotomy for a cocycle over a semiflow in terms of exponential dichotomy of two associated cocycles over the same semi ow.