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.
An invariant Harnack inequality for a class of hypoelliptic ultraparabolic equations / A.E. Kogoj; E. Lanconelli. - In: MEDITERRANEAN JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION. - ISSN 1450-1104. - STAMPA. - 1:(2004), pp. 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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