Mdtop August 2013

mdtop@mathdept.okstate.edu

3 participants
3 discussions

Seminar this afternoon
by Jesse Johnson 29 Aug '13

29 Aug '13

Dear Topologists and Friends of Topology, The first topology seminar of the semester will be this afternoon at 3:30 in MSCS 514. The speaker is Sean Bowman and the title is "Bridge numbers of twisted torus knots". We will also discuss times for the reading seminar, so if you plan to participate in the reading seminar, please bring your calendar. Jesse

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Meeting times
by Schirmer, Trent 28 Aug '13

28 Aug '13

Hello Everyone, Right now I'm putting together some material on the slice-ribbon conjecture. My plan is to find some kind of survey paper on slice knots and knot cobordisms and spend the first session or two just sort of familiarizing ourselves with the problem and stuff that is known about it. There are two big papers on the subject recently. One is the Gompf-Scharlemann-Thompson paper which exhibits a class of potential counter-examples to the conjecture, another is a paper by somebody else whose name I've forgotten which verifies the conjecture for all Montesinos knots. I'm thinking that it might be better to focus on the Gompf-etc paper because I find it distasteful to have to think about Montesinos knots. And besides, I really am hoping to sort of familiarize myself with more 4 dimensional type theory, and view the whole subject as sort of a natural bridge into 4-d topology for 3-manifold people like me. So the tentative plan is that after the first two weeks of introduction, every week somebody covers some section of the Gompf-etc. paper thoroughly. The idea being that they even track down references and explain things in detail, so that all the attendant 4-manifold theory is sort of talked about as well. But I'm totally open to suggestions Could everyone who's interested e-mail me the meeting times that work for them? Thanks. Also e-mail me with good ideas for making the seminar useful to everyone. Best, --Trent

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Topology Seminar Organizational Meeting
by Jesse Johnson 20 Aug '13

20 Aug '13

Dear Topologists and Friends of Topology: We will have an organizational meeting for the topology seminar this Thursday at 3:30 in MSCS 514. We'll be looking for both volunteers who can give a talk some time in the Fall, and suggestions for outside speakers to invite. Jesse

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Mdtop August 2013