Affiliation: | (1) Equipe d'Analyse, Tour 46, ESA au CNRS no. 7064, Université Paris VI, 4, place Jussieu, 75230 Paris Cedex 05, France, (e-mail: mit@ccr.jussieu.fr), FR;(2) Department of Mathematics, The Ohio State University, 231 West 18th Avenue, Columbus, OH 43210-1174, USA. e-mail: talagran@math.ohio-state.edu, US |