Weak type radial convolution operators on free groups
Tom 186 / 2008
Studia Mathematica 186 (2008), 77-86
MSC: Primary 43A15; Secondary 43A07, 46E30.
DOI: 10.4064/sm186-1-7
Streszczenie
Radial convolution operators on free groups with nonnegative kernel of weak type $(2,2)$ and of restricted weak type $(2,2)$ are characterized. Estimates of weak type $(p,p)$ are obtained as well for $1< p< 2.$