ON DICHOTOMY WITH DIFFERENTIABLE GROWTH RATES FOR SKEW-EVOLUTION COCYCLES IN BANACH SPACES


M. Megan, A. Găină, R. Boruga (Toma)§

Abstract: The paper considers a general concept of dichotomy in Banach spaces for skew-evolution cocycles. As particular cases the properties of exponential dichotomy, polynomial dichotomy and logarithmic dichotomy are obtained. Characterizations of these concepts are presented.

MSC: 34D05; 34D09.

keywords: Skew-evolution cocycle, h-dichotomy, exponential dichotomy, polynomial dichotomy, logarithmic dichotomy.

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DOI 10.56082/annalsarscimath.2023.1-2.473

mihail.megan@gmail.com Department of Mathematics, Faculty of Mathematics and Computer Science, West University of Timisoara, V. Parvan Blv. No. 4, 300223 Timisoara, Romania

ariana.gaina@gmail.comDepartment of Mathematics, Faculty of Mathematics and Computer Science, West University of Timisoara, V. Parvan Blv. No. 4, 300223 Timisoara, Romania

§rovanaboruga@gmail.com Department of Mathematics, Faculty of Mathematics and Computer Science, West University of Timisoara, V. Parvan Blv. No. 4, 300223 Timisoara, Romania

PUBLISHED in Annals Academy of Romanian Scientists Series on Mathematics and Its Application, Volume 15 no 1-2, 2023