Spherical means on the Heisenberg group: Stability of a maximal function estimate
arXiv:1801.06981
Abstract
Consider the surface measure on a sphere in a nonvertical hyperplane on the Heisenberg group , , and the convolution . Form the associated maximal function generated by the automorphic dilations. We use decoupling inequalities due to Wolff and Bourgain-Demeter to prove -boundedness of in an optimal range.