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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Finite-dimensional attractors and exponential attractors for degenerate doubly nonlinear equations.
Math. Meth. Appl. Sci. 32, 1638-1668 (2009)
We consider the following doubly nonlinear parabolic equation in a bounded domain Omega subset of R-3: f (x, partial derivative(t)u) = Delta(x)u - g (x, u) where the nonlinearity f is allowed to have a degeneracy with respect to partial derivative(t)u of the form partial derivative(t)u vertical bar partial derivative(t)u vertical bar(p) at some points x is an element of Omega. Under some natural assumptions on the nonlinearities f and g, we prove the existence and uniqueness of a solution of that problem and establish the finite-dimensionality of global and exponential attractors of the semigroup associated with this equation in the appropriate phase space.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
doubly nonlinear equation; exponential attractors; degenerate parabolic PDE; evolution-equations; parabolic equations; time behavior
ISSN (print) / ISBN
0170-4214
e-ISSN
1099-1476
Zeitschrift
Mathematical Methods in the Applied Sciences
Quellenangaben
Band: 32,
Heft: 13,
Seiten: 1638-1668
Verlag
Wiley
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Biomathematics and Biometry (IBB)