Robuta

https://mathoverflow.net/questions/510775/differentiability-of-conjugacy-from-the-center-manifold-reduction-principle ds.dynamical systems - Differentiability of conjugacy from the center manifold reduction principle... While reading these notes, I came across the following theorem: In the case of a hyperbolic fixed point, Hartman-Grobman says that the system is topologically... from the centerdynamical systemsdsdifferentiability