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2013 | OriginalPaper | Buchkapitel

5. Gradient semigroups and their dynamical properties

verfasst von : Alexandre N. Carvalho, José A. Langa, James C. Robinson

Erschienen in: Attractors for infinite-dimensional non-autonomous dynamical systems

Verlag: Springer New York

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Abstract

We have already seen that the structure of the attractor of an autonomous gradient semigroup can be completely described: it is given by the union of the unstable sets of the equilibria (Theorem 2.43). However, key to the definition of a gradient semigroup (Definition 2.38) is the existence of a Lyapunov function, and this is a very delicate matter.

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Metadaten
Titel
Gradient semigroups and their dynamical properties
verfasst von
Alexandre N. Carvalho
José A. Langa
James C. Robinson
Copyright-Jahr
2013
Verlag
Springer New York
DOI
https://doi.org/10.1007/978-1-4614-4581-4_5