The taut-foliation extension conjecture for punctured 3-manifolds

Let MM be a closed orientable irreducible 33-manifold such that π1(M)\pi_1(M) is left orderable, and let M0=MInt(B3)M_0=M-\operatorname{Int}(B^3). Let F\mathcal{F} be a foliation of M0M_0 constructed in Theorem 1. Taut-foliation extension conjecture. There exists a taut foliation F1\mathcal{F}_1 in MM such that (M0,F)(M_0,\mathcal{F}) is obtained from removing a 33-ball from (M,F1)(M,\mathcal{F}_1); this also implies that F1\mathcal{F}_1 has a transverse (π1(M),R)(\pi_1(M),\mathbb{R}) structure. The conjecture proposes that the foliations produced on punctured manifolds extend over the removed ball, providing a weak form of the L-space conjecture and the related question about taut foliations.

Sources & referencesView supporting material

Primary source

Bojun Zhao, “Left orderability, foliations, and transverse (π_1,R) structures for 3-manifolds with sphere boundary”, arXiv:2107.09272 (2022).

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