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A note on gradient estimates for the heat semigroup on nonisotropic Heisenberg groups
Ye Zhang
In this note we obtain gradient estimates for the heat semigroup on nonisotropic Heisenberg groups. More precisely, our aim is to get the H.-Q. Li inequality on nonisotropic Heisen…
math.AP2021
On the method of differentiation and its application to asymptotics for the heat kernel on H-type groups
Ye Zhang
The aim of this note is twofold. The first one is to find conditions on the asymptotic sequence which ensures differentiation of a general asymptotic expansion with respect to it.…