In this paper, we consider a wide class of second order hypoelliptic partial differential operators with nonnegative characteristic form. We prove a monotone smoothing theorem and a representation formula for superparabolic functions.
Lanconelli E., Pascucci A. (1999). Superparabolic Functions Related to Second Order Hypoelliptic Operators. POTENTIAL ANALYSIS, 11(3), 303-322 [10.1023/a:1008689803518].
Superparabolic Functions Related to Second Order Hypoelliptic Operators
Lanconelli E.;Pascucci A.
1999
Abstract
In this paper, we consider a wide class of second order hypoelliptic partial differential operators with nonnegative characteristic form. We prove a monotone smoothing theorem and a representation formula for superparabolic functions.File in questo prodotto:
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