Abstract
We prove the existence of a smooth density for a convolution semigroup on a symmetric space and obtain its spherical representation.
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Liao, M., Wang, L. Lévy–Khinchin Formula and Existence of Densities for Convolution Semigroups on Symmetric Spaces. Potential Anal 27, 133–150 (2007). https://doi.org/10.1007/s11118-007-9048-2
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DOI: https://doi.org/10.1007/s11118-007-9048-2