International Mathematics Research Notices Advance Access published online on August 19, 2009
International Mathematics Research Notices, doi:10.1093/imrn/rnp133
Well-posedness for the Generalized Benjamin–Ono Equations with Arbitrary Large Initial Data in the Critical Space
Université Paris-Est, Laboratoire d'Analyse et de Mathématiques Appliquées, 5 bd. Descartes, Cité Descartes, Champs-Sur-Marne, 77454 Marne-La-Vallée Cedex 2, France
Correspondence: Correspondence to be sent to: stephane.vento{at}univ-paris-est.fr
We prove the local well-posedness of the generalized Benjamin–Ono equations
, k
4, in the scaling invariant spaces
where sk = 1/2 – 1/ k. Our results also hold in the nonhomogeneous spaces
. In the case k = 3, local well-posedness is obtained in
, s > 1/3.