Composition and $L^2$-boundedness of flag kernels
Volume 118 / 2010
Colloquium Mathematicum 118 (2010), 581-585
MSC: Primary 22E30; Secondary 35S05.
DOI: 10.4064/cm118-2-13
Abstract
We prove the composition and $L^2$-boundedness theorems for the Nagel–Ricci–Stein flag kernels related to the natural gradation of homogeneous groups.