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8. Maximal Hypoellipticity for Polynomial of Vector Fields and Spectral Byproducts

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Book cover Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians

Part of the book series: Lecture Notes in Mathematics ((LNM,volume 1862))

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Abstract

  • 8.1. Introduction

  • 8.2. Rothschild-Stein Lifting and Towards a General Criterion

  • 8.3. Folland’s Result

  • 8.4. Discussion on Rothschild-Stein and Helffer-Métivier-Nourrigat Results

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Author information

Authors and Affiliations

  1. Laboratoire de Mathématiques, UMR CNRS 8628, Université Paris-Sud, Bâtiment 425, 91404, Orsay, France

    Bernard Helffer

  2. IRMAR UMR CNRS 6625, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France

    Francis Nier

Authors
  1. Bernard Helffer
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  2. Francis Nier
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Corresponding author

Correspondence to Bernard Helffer .

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© 2005 Springer-Verlag Berlin/Heidelberg

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Helffer, B., Nier, F. (2005). 8. Maximal Hypoellipticity for Polynomial of Vector Fields and Spectral Byproducts. In: Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians. Lecture Notes in Mathematics, vol 1862. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31553-7_8

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