Probability Theory and Related Fields

, Volume 90, Issue 2, pp 175–202

Decroissance exponentielle du noyau de la chaleur sur la diagonale (I)

  • G. Ben Arous
  • R. Léandre
Article

Summary

We give examples based upon large deviation's theory where the heat kernel of a degenerate diffusion has an exponential decay over the diagonal. Using Malliavin calculus, we give conditions for a more generalized heat kernel to have an exponential decay over the diagonal. We give lower bound in some particular case by using the Bismut's condition.

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Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • G. Ben Arous
    • 1
  • R. Léandre
    • 2
  1. 1.Department de MathématiquesÉcole Normale SupérieureParis Cedex 05France
  2. 2.Université Louis PasteurStrasbourgFrance

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