An introduction to veering triangulations

Saul Schleimer (Warwick)

Thursday 26th April, 2018 15:00-16:00 Maths 311B


While generalising work of Farb, Leininger, and Margalit on pseudo-Anosov homeomorphisms, Ian Agol introduced the notion of a "veering triangulation" of a three-manifold.  Francois Gueritaud gave a somewhat simpler definition in terms of quadratic differentials (that is, very nice singular Euclidean structures on surfaces).  We will review the definitions in a relaxed fashion, and then present applications to the study of strata in the space of quadratic differentials. 

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