25 citations · 36 across the 8 of their papers we have counts for
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math.CA2014★ 2 cited
A Hadamard-type open map theorem for submersions and applications to completeness results in Control Theory
Andrea Bonfiglioli, Annamaria Montanari, Daniele Morbidelli
We prove a quantitative openness theorem for submersions under suitable assumptions on the differential. We then apply our result to a class of exponential maps appearing in…
math.AP2014
The Strong Maximum Principle and the Harnack inequality for a class of hypoelliptic divergence-form operators
Erika Battaglia, Stefano Biagi, Andrea Bonfiglioli
In this paper we consider a class of hypoelliptic second-order partial differential operators in divergence form on , arising from CR geometry and Lie g…