Resumen de Regularity of Wiener functionals under a Hörmander type condition of order one
Vlad Bally 
, Lucia Caramellino
We study the local existence and regularity of the density of the law of a functional on the Wiener space which satisfies a criterion that generalizes the Hörmander condition of order one (i.e., involving the first-order Lie brackets) for diffusion processes.
