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Discrete gevrey regularity attractors and uppers–semicontinuity for a finite difference approximation to the ginzburg–landau equation
Authors:Gabriel J Lord  Andrew M Stuart
Institution:1. School of Mathematical Sciences , University of Bath , Bath, Avon, BA2 7AY, U.K.;2. SCCM Program, Division of Applied Mechanics , Stanford University , Durand 252, Standford, California, 94305-4040, U.S.A
Abstract:A semi-discrete spatial finite difference approximation to the complex Ginzburg-Landau equation with cubic non-linearity is considered. Using the fractional powers of a sectorial operator, discrete versions of the Sobolev spaces H 5, and Gevrey classes of regularityG, are introduced.Discrete versions of some standard Sobolev space norm inequalities are proved.
Keywords:
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