On rigidity properties of contact time changes of locally symmetric geodesic flows
Jeffrey Boland
Discrete & Continuous Dynamical Systems - A 2000, 6(3): 645-650 doi: 10.3934/dcds.2000.6.645
In analogy with the geometric $1/4$-pinching and entropy rigidiity of compact negatively curved locally symmetric spaces, we study in this note the dynamical rigidity of contact time changes of the geodesic flow for these spaces.
keywords: Symmetric geodesic flows contact time changes.

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