Mathematical Research Letters

Volume 1 (1994)

Number 5

Periodic bunching and invariant foliations

Pages: 597 – 600



Boris Hasselblatt (Tufts University)


Control of contraction and expansion rates on periodic orbits of a hyperbolic dynamical system gives analogous control on all orbits. This leads to a sharp condition for the regularity of the invariant foliations in terms of bunching at periodic points.

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