Bernard Helffer

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Pseudo-Differential Operators: Quantization and Signals: 1949 (Lecture Notes in Mathematics, 1949)
Feichtinger, Hans G.; Helffer, Bernard; Lamoureux, Michael; Lerner, Nicolas; Toft, Joachim

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� 8.13

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Semi-Classical Analysis for the Schr�dinger Operator and Applications: 1336 (Lecture Notes in Mathematics, 1336)
Helffer, Bernard

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� 26.81

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Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians: 1862 (Lecture Notes in Mathematics, 1862)
Nier, Francis; Helffer, Bernard

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� 31.25

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Semiclassical Analysis, Witten Laplacians, And Statistical Mechanics: 1 (Series On Partial Differential Equations And Applications)
Helffer, Bernard

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� 44.71

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