On the Cheng-Yau gradient estimate for Carnot groups and sub-Riemannian manifolds
Abstract
In this note we show how results in BaudoinBonnefont2016, BaudoinGarofalo2013, CoulhonJiangKoskelaSikora2017 yield the Cheng-Yau estimate on two classes of sub-Riemannian manifolds: Carnot groups and sub-Riemannian manifolds satisfying a generalized curvature-dimension inequality.
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