Abstract
We consider a potential type perturbation of the three dimensional wave equation and we establish a dispersive estimate for the associated propagator. The main estimate is proved under the assumption that the potential V≥ satisfies |V(x)|≤C/(1+|x|)2+ε0.
Original language | English |
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Pages (from-to) | 109-135 |
Number of pages | 27 |
Journal | Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Rendiconti Lincei Matematica e Applicazioni |
Volume | 14 |
Issue number | 2 |
Publication status | Published - 2003 Dec 1 |
Externally published | Yes |
Keywords
- Fredholm theory
- Perturbed wave equation
- Resolvent estimates
- Spectral theory
ASJC Scopus subject areas
- Mathematics(all)