Home /  TGS: Topology Seminar: Finiteness of Singular Orbits of pseudo-Anosov Flows

Seminar

TGS: Topology Seminar: Finiteness of Singular Orbits of pseudo-Anosov Flows March 31, 2026 (02:10 PM PDT - 03:30 PM PDT)
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Location: Evans Hall, 740
Speaker(s) Lily Li
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This seminar series will take place on UC Berkeley campus, in Evans Hall room 740.

Fixing a closed 3-manifold M, it’s a long-standing program to understand the pseudo-Anosov flows it supports. In this talk, we discuss a finiteness result constraining the set of singular orbits of such flows. Using Gabai’s Kneser normal form, we give a pictorial proof that given a closed atoroidal 3-manifold, there are at most finitely many possible links up to isotopy that arise as singular orbits of pseudo-Anosov flows on it.

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