Some regulatory estimates for convolution semigroups on a group of polynomial growth
We study a convolution semigroup satisfying Gaussian estimates on a group G of polynomial volume growth. If Q is a subgroup satisfying a certain geometric condition, we obtain high order regularity estimates for the semigroup in the direction of Q. Applications to heat kernels and convolution powers are given.
|Collections||ANU Research Publications|
|Source:||Journal of the Australian Mathematical Society|
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