We give sufficient conditions to generalize Hörmander's inequality to the case of operators with multiple characteristics of order higher than two.
Parenti C., Parmeggiani A. (2000). A generalization of Hörmander's inequality-I. COMMUNICATIONS IN PARTIAL DIFFERENTIAL EQUATIONS, 25(3-4), 457-506 [10.1080/03605300008821521].
A generalization of Hörmander's inequality-I
Parenti C.;Parmeggiani A.
2000
Abstract
We give sufficient conditions to generalize Hörmander's inequality to the case of operators with multiple characteristics of order higher than two.File in questo prodotto:
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