Verjovsky's conjecture on codimension-one Anosov flows

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Let MM be a closed manifold of dimension greater than three, and let FF be a codimension-one Anosov flow on MM. Two flows are topologically equivalent if a homeomorphism maps their orbits homeomorphically while preserving orbit orientation. A suspension flow is the flow obtained from a diffeomorphism by identifying the ends of its mapping cylinder; a hyperbolic toral automorphism is an automorphism of a torus induced by an integer matrix with no eigenvalues of modulus one.

Verjovsky's conjecture. Any codimension-one Anosov flow on a closed manifold of dimension greater than three is topologically equivalent to the suspension flow of a hyperbolic toral automorphism.

The conjecture concerns the classification of codimension-one Anosov flows up to topological equivalence. The source presents a proof of the conjecture, so its resolution should be checked against the paper's arguments.

References

Primary source

Khadim War, “Proof of the Verjovsky Conjecture”, arXiv:2309.10944 (2023).

Additional references

3 papers in this index state this conjecture (2005–2023). The statement above is taken from the most recent of them; the others are arXiv:math/0703334, arXiv:math/0508024.

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