Equivalence of the topological Anosov definition with classical hyperbolicity criteria
Let be a manifold and let be a continuous flow on . A standard topological-hyperbolicity criterion consists of a continuous invariant splitting
where is the one-dimensional bundle tangent to the flow orbits, together with a continuous Riemannian metric for which is uniformly contracted exponentially by the forward flow for , and is uniformly contracted exponentially by the backward flow for .
Equivalence with classical definitions. A continuous flow is a topological Anosov flow according to the source's definition if and only if it satisfies such standard criteria for topological hyperbolicity.
This conjecture asks whether the approximation-based definition agrees with classical intrinsic hyperbolicity. The source presents it as a fundamental connection question and gives no resolution.
References
Primary source
Stéphane Tchuiaga, “A Hofer-like Metric on the Space of Anosov Flows”, arXiv:2504.09758 (2025).
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