Abstract
We show that the solutions of the Ginzburg-Landau equation on a periodic interval are of Gevrey-class regularity. Specifically, we prove that the modes of the Fourier decomposition of a solution u decay exponentially. Using this preliminary result, we establish that the N-dimensional linear Galerkin approximation of u converges exponentially fast to uas N goes to infinity. We discuss the influence of the parameters in the Ginzburg-Landau equation on the decay rate of the Fourier modes and on the rate of convergence of the Galerkin approximations.
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© 1993 Springer Science+Business Media Dordrecht
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Doelman, A., Titi, E.S. (1993). Exponential Convergence of the Galerkin Approximation for the Ginzburg-Landau Equation. In: Kaper, H.G., Garbey, M., Pieper, G.W. (eds) Asymptotic and Numerical Methods for Partial Differential Equations with Critical Parameters. NATO ASI Series, vol 384. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1810-1_15
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DOI: https://doi.org/10.1007/978-94-011-1810-1_15
Publisher Name: Springer, Dordrecht
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