Open AccessSAK Principle for a class of Grushin-type operators
Author(s) -
Lidia Maniccia,
Marco Mughetti
Publication year - 2006
Publication title -
revista matemática iberoamericana
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.569
H-Index - 52
eISSN - 2235-0616
pISSN - 0213-2230
DOI - 10.4171/rmi/455
Subject(s) - class (philosophy) , type (biology) , mathematics , computer science , artificial intelligence , geology , paleontology
We prove Fefferman's SAK Principle for a class of hypoelliptic operators on R2 whose nonnegative symbol vanishes anisotropically on the characteristic manifold.
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