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Blow-up results of viriel type for Zakharov equations |
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| Authors: | Frank Merle |
| Affiliation: | (1) Centre de Mathématiques, Université de Cergy-Pontoise, Avenue du Parc, 8, Le Campus, F-95033 Cergy-Pontoise Cedex, France |
| Abstract: | We consider the Zakharov equations in  N (for N=2,N=3). We first establish a viriel identity for such equations and then prove a blow-up result for solutions with a negative energy. |
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