A dyadic decomposition approach to a finitely degenerate hyperbolic problem |
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| Authors: | Massimo Cicognani Daniele Del Santo Michael Reissig |
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| Affiliation: | (1) Dipartimento di Matematica, Università di Bologna, Piazza di Porta S. Donato 5, 40127, Bologna, Italy;(2) Dipartimento di Matematica e Informatica, Università di Trieste, Via A. Valerio 12/1, 34127 Trieste, Italy;(3) Institut für Angewandte Analysis, TU Bergakademie Freiberg, Prüferstrasse 9, 09596 Freiberg, Germany |
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| Abstract: | Abstract We use the Littlewood-Paley decomposition technique to obtain a C∞-well-posedness result for a weakly hyperbolic equation with a finite order of degeneration. Keywords: Littlewood-Paley decomposition, Hyperbolic equations, C∞-well-posedness, Approximate energy method |
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