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arxiv: 1509.07709 · v2 · pith:3R6Y64ODnew · submitted 2015-09-25 · 🧮 math.GT · math.DG· math.SG

Approximating C⁰-foliations by contact structures

classification 🧮 math.GT math.DGmath.SG
keywords contactfoliationstructuresclosedexistencemanifoldplanetaut
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We show that any co-orientable foliation of dimension two on a closed orientable $3$-manifold with continuous tangent plane field can be $C^0$-approximated by both positive and negative contact structures unless all the leaves are simply connected. As applications we deduce that the existence of a taut $C^0$-foliation implies the existence of universally tight contact structures in the same homotopy class of plane fields and that a closed $3$-manifold that admits a taut $C^0$-foliation of codimension-1 is not an $L$-space in the sense of Heegaard-Floer homology.

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