Today, I will be speaking in topology.

Title: Restricting covers and symmetries of Dehn fillings Speaker: Neil Hoffman, Oklahoma State University Date: Apr 2, 2019 Time: 3:30 PM Room: MSCS 509 Abstract: This talk will focus on the thick/thin decomposition of hyperbolic 3-manifolds and 3-orbifolds. I will describe how it relates to joint work in progress with Millichap and Worden.

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Neil R. Hoffman Assistant Professor Department of Mathematics 523 Math Science Building Oklahoma State University Stillwater, OK 74078-1058 405-744-7791 http://math.okstate.edu/people/nhoffman