In this paper we raise the question of regularity of the densities of a symmetric stable semigroup of measures on the homogeneous group N under the mere assumption that the densities exist. (For a criterion of the existence of the densities of such semigroups see [11].)
@article{bwmeta1.element.bwnjournal-article-cmv66i1p29bwm,
author = {Pawe\l\ G\l owacki},
title = {Lipschitz continuity of densities of stable semigroups of measures},
journal = {Colloquium Mathematicae},
volume = {66},
year = {1993},
pages = {29-47},
zbl = {0837.43009},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv66i1p29bwm}
}
Głowacki, Paweł. Lipschitz continuity of densities of stable semigroups of measures. Colloquium Mathematicae, Tome 66 (1993) pp. 29-47. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv66i1p29bwm/
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