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BIRS Workshop Lecture Videos

Euler class and taut foliations on surgered 3-manifolds Hu, Ying


This talk is motivated by the conjecture: the fundamental group of a QHS is left-orderable if and only if it admits a co-orientable taut foliation. It is known that if the Euler class of the taut foliation vanishes, then the fundamental group is left-orderable. In this talk, we will investigate the Euler class of co-orientable taut foliations on 3-manifolds which are obtained by Dehn surgery along a null-homologous knot.

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