Hexality conjecture for swapped contact structures and Anosov flows
Hexality conjecture for swapped contact structures and Anosov flows
Suppose , , and , and let carry the Anosov flows and from the two surgery descriptions. A contact-structure swapping conjecture. There exist two positive contact structures and a negative contact structure on such that is isotopically equivalent to a Reeb flow of and is supported by , while is isotopically equivalent to a Reeb flow of and is supported by . This combines the two symmetric Reeb-flow predictions and asserts that the Anosov flows and positive contact structures can be interchanged; it remains open.
Sources & referencesView supporting material
Primary source
Chi Cheuk Tsang, “Legendrian position of veering triangulations”, arXiv:2604.06690 (2026).
Progress summary
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