Calculus of Variations and Geometric Measure Theory
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D. Barilari - E. Paoli

Curvature terms in small time heat kernel expansion for a model class of hypoelliptic Hörmander operators

created by barilari on 16 Oct 2015
modified on 01 Sep 2017

[BibTeX]

Accepted Paper

Inserted: 16 oct 2015
Last Updated: 1 sep 2017

Journal: Nonlinear Analysis
Pages: 17
Year: 2015

Abstract:

We consider the heat equation associated with a class of second order hypoelliptic H\"{o}rmander operators with constant second order term and linear drift. We describe the possible small time heat kernel expansion on the diagonal giving a geometric characterization of the coefficients in terms of the divergence of the drift field and the curvature-like invariants of the optimal control problem associated with the diffusion operator.


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