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Heat trace asymptotics on equiregular sub-Riemannian manifolds by Inahama, Yuzuru; Taniguchi, Setsuo is a scholarly article available to read on EtoBox.

What is Heat trace asymptotics on equiregular sub-Riemannian manifolds about?

We study a "div-grad type" sub-Laplacian with respect to a smooth measure and its associated heat semigroup on a compact equiregular sub-Riemannian manifold. We prove a short time asymptotic expansion of the heat trace up to any order. Our main result holds true for any smooth measure on the manifold, but it has a spectral geometric meaning when Popp's measure is considered. Our proof is probabilistic. In particular, we use S. Watanabe's distributional Malliavin calculus.

Author

Inahama, Yuzuru; Taniguchi, Setsuo

Published

2017

Language

EN