01239nam--2200385---450099000296798020331620070903153958.03-540 -24200-7000296798USA01000296798(ALEPH)000296798USA0100029679820070903d2005----km-y0ENGy0103----baengDE||||||||001yyHypoelliptic estimates and spectral theory for Fokker-Planck operators and Witten LaplaciansBernard Helffer, Francis Nier (eds.)BerlinSpringerc2005X, 209 p.ill.24 cmLecture notes in mathematics18622001Lecture notes in mathematics18622001001-------2001Teoria spettrale515.7242HELFFER,Bernard52445NIER,Francis497842ITsalbcISBD990002967980203316510 LNM 186232084/CBS51000112586BKSCISENATORE9020070903USA011539Hypoelliptic estimates and spectral theory for Fokker-Planck operators and Witten Laplacians1026563UNISA