A class of linear second order hypoelliptic operators is studied. Existence and pointwise estimates of the fundamental solutions are proved. Harnack inequality and Liouville-type theorems are then deduced.
A.E. Kogoj, E. Lanconelli (2004). An invariant Harnack inequality for a class of hypoelliptic ultraparabolic equations. MEDITERRANEAN JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION, 1, 51-80.
An invariant Harnack inequality for a class of hypoelliptic ultraparabolic equations
E. Lanconelli
2004
Abstract
A class of linear second order hypoelliptic operators is studied. Existence and pointwise estimates of the fundamental solutions are proved. Harnack inequality and Liouville-type theorems are then deduced.File in questo prodotto:
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