Hello everyone,

Due to the snow day, Bo-hyun's talk from yesterday was postponed until today. Apologies on the short notice on the change, we had to find a room and a time which was free.

The seminar will be at 2:30 today in MSCS 422. If anyone is interested in joining Bo-hyun and me for lunch meet at the mailboxes at noon.

Title: On weak reducing disks for the unknot in 3-bridge position

Speaker: Bo-hyun Kwon,

Korea University

Date: Feb 20, 2019

Time: 2:30 PM

Room: MSCS 422

Abstract: In this talk, we show that the complex of weak reducing disks for the unknot in 3-bridge position is contractible. This is joint work with Dr. Jung Hoon Lee.

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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