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Evolutionary Semigroups and Lyapunov Theorems in Banach Spaces

✍ Scribed by Y. Latushkin; S. Montgomerysmith


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
917 KB
Volume
127
Category
Article
ISSN
0022-1236

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✦ Synopsis


We present a spectral mapping theorem for continuous semigroups of operators on any Banach space (E). The condition for the hyperbolicity of a semigroup on (E) is given in terms of the generator of an evolutionary semigroup acting in the space of (E)-valued functions. The evolutionary semigroup generated by the propagator of a nonautonomous differential equation in (E) is also studied. A "discrete" technique for investigating the evolutionary semigroup is developed and applied in describing the hyperbolicity (exponential dichotomy) of the nonautonomous equation. r. 1995 Academic Press, Inc


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