Global existence from single-component $L_{p}$ estimates in a semilinear reaction-diffusion system
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- by Pavol Quittner and Philippe Souplet PDF
- Proc. Amer. Math. Soc. 130 (2002), 2719-2724 Request permission
Abstract:
For a system of two reaction-diffusion equations coupled by power nonlinearities, we prove that an $L_{p}$ bound on a single component for suitable $p$ is enough to guarantee global existence. Also we provide a strong indication that our condition on $p$ is the best possible. Moreover, this continuation result is in contrast with the corresponding necessary and sufficient conditions for local existence obtained earlier by the authors.References
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Additional Information
- Pavol Quittner
- Affiliation: Institute of Applied Mathematics, Comenius University, Mlynská dolina, 84248 Bratislava, Slovakia
- Email: quittner@fmph.uniba.sk
- Philippe Souplet
- Affiliation: Département de Mathématiques, INSSET, Université de Picardie, 02109 St-Quentin, France – and – Laboratoire de Mathématiques Appliquées, UMR CNRS 7641, Université de Versailles, 45 avenue des Etats-Unis, 78035 Versailles, France
- MR Author ID: 314071
- Email: souplet@math.uvsq.fr
- Received by editor(s): April 20, 2001
- Published electronically: February 4, 2002
- Communicated by: David S. Tartakoff
- © Copyright 2002 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 130 (2002), 2719-2724
- MSC (1991): Primary 35B60, 35K50, 35K60
- DOI: https://doi.org/10.1090/S0002-9939-02-06453-5
- MathSciNet review: 1843418