Yazdi's virtual Euler class one conjecture
Yazdi's virtual Euler class one conjecture
Let be an oriented closed hyperbolic --manifold. An even integral lattice point is a class whose integral lattice coordinates are even; suppose that has dual Thurston norm . A finite cover is a covering with finitely many sheets, and let denote the pullback of to . A transversely oriented taut foliation is a taut foliation equipped with a transverse orientation.
Yazdi's virtual Euler class one conjecture. For any even integral lattice point of dual Thurston norm , there exists some finite cover of such that is the real Euler class of some transversely oriented taut foliation on .
This conjecture is a virtual version of Thurston's Euler class one conjecture, which the source says was disproved. The paper gives positive examples with first Betti number or and partial examples with first Betti number at least ; the general statement remains unresolved.
Sources & referencesView supporting material
Primary source
Yi Liu, “A criterion for virtual Euler class one”, arXiv:2411.11492 (2024).
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