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Books by Bernard Helffer

Spectral theory (mathematics) · MATHEMATICS / General

Spectral Theory and Its Applications

Bernard Helffer

2012

Elliptic operators · Spectral theory (Mathematics)

Théorie spectrale pour des opérateurs globalement elliptiques

Bernard Helffer

1981

Semiclassical analysis, Witten Laplacians, and statistical mechanics

Statistical mechanics

Semiclassical analysis, Witten Laplacians, and statistical mechanics

Bernard Helffer

2002

Semi-classical analysis for the Schrödinger operator and applications

Asymptotic theory · Partial Differential equations

Semi-classical analysis for the Schrödinger operator and applications

Bernard Helffer

1988

Schrödinger equation · Schrödinger operator

Analyse semi-classique pour l'équation de Harper

Bernard Helffer

1988

Semi-classical analysis for Harper's equation III

Schrödinger operator · Spectral theory (Mathematics)

Semi-classical analysis for Harper's equation III

Bernard Helffer

1989

Addresses, essays, lectures · Differential operators

Contributions à l'étude des opérateurs elliptiques et hypoelliptiques

Bernard Helffer

1977

Hypoellipticité maximale pour des opérateurs polynomes de champs de vecteurs

Hypoelliptic operators · Polynomial operators

Hypoellipticité maximale pour des opérateurs polynomes de champs de vecteurs

Bernard Helffer

1985

Pseudo-Differential Operators

Pseudo-Differential Operators

Hans G. Feichtinger,Bernard Helffer,Michael P. Lamoureux

2008

Hypoellipticité pour des classes d'opérateurs pseudodifferentiels à caractéristiques multiples

Bernard Helffer

1976

Le papillon de Hofstadter revisité

Bernard Helffer

1990

Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians (Lecture Notes in Mathematics Book 1862)

Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians (Lecture Notes in Mathematics Book 1862)

Francis Nier

2005

Quantitative Analysis of Metastability in Reversible Diffusion Processes Via a Witten Complex Approach

Advanced · Mathematics

Quantitative Analysis of Metastability in Reversible Diffusion Processes Via a Witten Complex Approach

Bernard Helffer

2006

Re sonances en limite semi-classique

Bernard Helffer

1986

Elliptic operators · Spectral theory (Mathematics)

The orie spectrale pour des ope rateurs globalement elliptiques

Bernard Helffer

1984

Hypoelliptic estimates and spectral theory for Fokker-Planck operators and Witten Laplacians

Hypoelliptic operators · Spectral theory (Mathematics)

Hypoelliptic estimates and spectral theory for Fokker-Planck operators and Witten Laplacians

Bernard Helffer

2005

Laplacian operator · Schrödinger operator

Semiclassical analysis for Schrödinger operators, Laplace integrals and transfer operators in large dimension : an introduction

Bernard Helffer

1995

Analyse semi-classique pour l'e quation de Harper II

Bernard Helffer

1990