Exact controllability of the radial solutions of the semilinear wave equation in R3
- Autores: M. Luz de Teresa de Oteiza
- Localización: Revista matemática complutense, ISSN-e 1988-2807, ISSN 1139-1138, Vol. 11, Nº 1, 1998, págs. 221-245
- Idioma: inglés
- DOI: 10.5209/rev_rema.1998.v11.n1.17328
- Enlaces
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Resumen
The exact internal controllability of the radial solutions of a semilinear heat equation in IR3 is proved. The result applies for nonlinearities that are of an order smaller than | s | logp | s | at infinity for 1 £ p<2. The method of the proof combines HUM and a fixed point technique.
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