contact geometry

Approximately controllable finite-dimensional bilinear systems are controllable
We show that a bilinear control system is approximately controllable if and only if it is controllable in ℝ^n{0}. We approach this …
Daniele Cannarsa, Mario Sigalotti
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On the induced geometry on surfaces in 3D contact sub-Riemannian manifolds
Given a surface S in a 3D contact sub-Riemannian manifold M, we investigate the metric structure induced on S by M, in the sense of …
Davide Barilari, Ugo Boscain, Daniele Cannarsa
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