54 citations · 123 across the 13 of their papers we have counts for
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math.DS2013★ 14 cited
Realization of tangent perturbations in discrete and continuous time conservative systems
Hassan Najafi Alishah, João Lopes Dias
We prove that any perturbation of the symplectic part of the derivative of a Poisson diffeomorphism can be realized as the derivative of a -close Poisson diffeomorphism. We al…
math.DS2013★ 2 cited
SRB measures for hyperbolic polygonal billiards
Gianluigi Del Magno, João Lopes Dias, Pedro Duarte +2
We prove that polygonal billiards with contracting reflection laws exhibit hyperbolic attractors with countably many ergodic SRB measures. These measures are robust under small per…