SAK Principle for a class of Grushin-type operators
Lidia Maniccia
Università di Bologna, ItalyMarco Mughetti
Università di Bologna, Italy
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Abstract
We prove Fefferman's SAK Principle for a class of hypoelliptic operators on whose nonnegative symbol vanishes anisotropically on the characteristic manifold.
Cite this article
Lidia Maniccia, Marco Mughetti, SAK Principle for a class of Grushin-type operators. Rev. Mat. Iberoam. 22 (2006), no. 1, pp. 259–286
DOI 10.4171/RMI/455