Abstract
Let be a Radon measure on the -th Heisenberg group . In this note we prove that if the -dimensional (Heisenberg) Riesz transform on is -bounded, and if for all Borel sets with , then must have -polynomial growth. This is the Heisenberg counterpart of a result of Guy David from 1991.
Publication
Math. Proc. Cambridge Philos. Soc. 175, no. 2, 445-458.