4 papers
Wiener-Landis criterion for Kolmogorov-type operators
A. E. Kogoj, E. Lanconelli, G. Tralli
We establish a necessary and sufficient condition for a boundary point to be regular for the Dirichlet problem related to a class of Kolmogorov-type equations. Our criterion is ins…
Weighted -Liouville Theorems for Hypoelliptic Partial Differential Operators on Lie Groups
Andrea Bonfiglioli, Alessia E. Kogoj
We prove weighted -Liouville theorems for a class of second order hypoelliptic partial differential operators on Lie groups whose underlying manifol…
-Liouville Theorems for Invariant Partial Differential Operators in
Alessia E. Kogoj, Ermanno Lanconelli
We prove some -Liouville theorems for hypoelliptic second order Partial Differential Operators left translation invariant with respect to a Lie group composition law in $\math…
Hardy Type Inequalities for -Laplacians
A. E. Kogoj, S. Sonner
We derive Hardy type inequalities for a large class of sub-elliptic operators that belong to the class of -Laplacians and find explicit values for the constants involved. Our…