We study C∞ and analytic hypoellipticity for an invariant class of operators with multiple characteristics, which generalize the Gilioli–Treves model.
M. Mughetti, F. Nicola (2007). Hypoellipticity for a class of operators with multiple characteristics. JOURNAL D'ANALYSE MATHEMATIQUE, 103, 377-396 [10.1007/s11854-008-0012-x].
Hypoellipticity for a class of operators with multiple characteristics
MUGHETTI, MARCO;
2007
Abstract
We study C∞ and analytic hypoellipticity for an invariant class of operators with multiple characteristics, which generalize the Gilioli–Treves model.File in questo prodotto:
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