We prove the composition and L²-boundedness theorems for the Nagel-Ricci-Stein flag kernels related to the natural gradation of homogeneous groups.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm118-2-13, author = {Pawe\l\ G\l owacki}, title = {Composition and L$^2$-boundedness of flag kernels}, journal = {Colloquium Mathematicae}, volume = {120}, year = {2010}, pages = {581-585}, zbl = {1190.22010}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm118-2-13} }
Paweł Głowacki. Composition and L²-boundedness of flag kernels. Colloquium Mathematicae, Tome 120 (2010) pp. 581-585. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm118-2-13/