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Helffer Bernard
Spectral theory and its applications
Helffer, Bernard.
Bok Engelsk 2013 · Vis mer
Hypoelliptic estimates and spectral theory for Fokker-Planck operators and Witten Laplacians
Bernard Helffer, Francis Nier
Bok Engelsk 2005 · Vis mer
Contributions a l'etude des operateurs elliptiques et hypoelliptiques
Bernard Helffer, Guy Metivier
Bok Fransk 1977 · Vis mer
Quantitative analysis of metastability in reversible diffusion processes via a witten complex approach : the case with boundary
Bernard Helffer, Francis Nier
Bok Engelsk 2006 · Vis mer
Semiclassical analysis, Witten Laplacians, and statistical mechanics
Bernard Helffer
Bok Engelsk 2002 · Vis mer
Semi-classical analysis for the Schrödinger operator and applications
Bernard Helffer
Bok Språk ikke angitt 1988 · Vis mer
Hypoellipticité maximale pour des opérateurs polynomes de champs de vecteurs
Bernard Helffer, Jean Nourrigat
Bok Språk ikke angitt 1985 · Vis mer
Contributions à l'étude des opérateurs elliptiques et hypoelliptiques
Helffer, Bernard
Bok Fransk 1977 · Vis mer
Semi-classical analysis for the Schrödinger operator and applications
Bernard Helffer.
Bok Engelsk 1988 · Vis mer
Pseudo-differential operators : quantization and signals : lectures given at the C.I.M.E. summer school held in Cetraro, Italy, June 19-24, 2006
editors: Luigi Rodino, M.W. Wong ; hans G...
Bok Engelsk 2008 · Vis mer
On the absence of a first order correction for the number of bound states of a Schrödinger operator with Coulomb singularity
Bernard Helffer ... Heinz Siedentop ... [...
Bok Engelsk 1992 · Vis mer
Limiting absorption principle and resonances for the Dirac operator
Balslev, Erik
Bok Engelsk 1990 · Vis mer