Shadowing by non uniformly hyperbolic periodic points and uniform hyperbolicity
arXiv:math/0606029 · doi:10.1088/0951-7715/20/1/005
Abstract
We prove that, under a mild condition on the hyperbolicity of its periodic points, a map which is topologically conjugated to a hyperbolic map (respectively, an expanding map) is also a hyperbolic map (respectively, an expanding map). In particular, this result gives a partial positive answer for a question done by A. Katok, in a related context.