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math.AP2014
-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…
math.AP2014
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…