Nonsmooth Hörmander vector fields and their control balls

Montanari, Annamaria; Morbidelli, Daniele

doi:10.1090/S0002-9947-2011-05395-X

Nonsmooth Hörmander vector fields and their control balls
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Trans. Amer. Math. Soc. 364 (2012), 2339-2375 Request permission

Abstract:

We prove a ball-box theorem for nonsmooth Hörmander vector fields of step $s\geq 2.$

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