Hello everyone,

Tomorrow in our seminar we have Henry Segerman speaking at 3:30pm central.

The link for the talk is our usual google meet link: https://meet.google.com/frv-bgow-byi [https://fonts.gstatic.com/s/i/productlogos/meet_2020q4/v1/web-96dp/logo_meet...]https://meet.google.com/frv-bgow-byi Meethttps://meet.google.com/frv-bgow-byi Real-time meetings by Google. Using your browser, share your video, desktop, and presentations with teammates and customers. meet.google.com

Title: Essential loops in taut ideal triangulations Abstract: We combinatorialise a technique of Novikov. We use this to prove that, in a three-manifold equipped with a taut ideal triangulation, any vertical or normal loop is essential in the fundamental group.

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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