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Ken Baker seminar
by Henry Segerman 23 Jan '15

23 Jan '15

Based on the responses I got back, I have booked MSCS 514 for Ken Baker to speak at 4pm on Monday April 6. Henry

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Ken Baker seminar
by Henry Segerman 23 Jan '15

23 Jan '15

Ken Baker has offered to give a topology seminar on either Monday or Tuesday after the Redbud conference (6th or 7th April). This will have to be a special seminar since he cannot be here on the Thursdays either side of Redbud. Let me know if you would like to attend Ken's talk but have conflicts on the afternoons of either of those days. Thanks, Henry

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Seminar organisation notes
by Henry Segerman 15 Jan '15

15 Jan '15

The current schedule is as follows: Jan 22 - Jan 29 - Trent Schirmer Feb 5 - Feb 12 - (clash with interview colloquium) Feb 19 - Feb 26 - Tian Yang (Stanford) Mar 5 - (Conference at Arkansas, Benson Farb speaking) Mar 12 - Henry Segerman Mar 19 - (spring break) Mar 26 - April 2 - (Redbud the coming weekend) Apr 9 - Pengcheng Xu Apr 16 - Kenji Kozai (Berkeley) Apr 13 - Apr 30 - People to invite: (Schirmer:) Nel Abdiel, Jeff Meier (Jaco:) Jonathan Spreer, Stephan Tillmann, Cameron Gordon, Rob Kirby If you would like to speak, or would like to invite anyone, let me know. Cheers, Henry

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Topology seminar organizational meeting
by Henry Segerman 14 Jan '15

14 Jan '15

Let's meet to organise the topology seminar this semester, 3:30pm tomorrow, Thursday Jan 15, in MSCS 514. Apologies for the short notice - I only just got back into town. Just to be extra confusing, I booked MSCS 514 for this semester (rather than 422 as last semester). 422 has nicer boards, but the air conditioning is a little too fierce. Henry

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No topology seminar today
by Henry Segerman 04 Dec '14

04 Dec '14

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Meeting with David Gay
by Schirmer, Trent 19 Nov '14

19 Nov '14

Hi Everyone, David will be around most of the day tomorrow, so if anyone wants to meet him and talk to him let me know and I'll make sure to send him your way. Best, Trent

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Topology Seminar
by Henry Segerman 18 Nov '14

18 Nov '14

David Gay (University of Georgia) will speak in the topology seminar at 3:30pm, Thursday 20th November, in MSCS 422. TITLE: Trisections: Heegaard splittings for 4-manifolds ABSTRACT: This reports on joint work with Rob Kirby. We show that every smooth, closed, oriented 4-manifold splits (uniquely up to stabilization) into 3 nice pieces in precise analogy with the way every smooth, closed, oriented 3-manifold is split (uniquely up to stabilization) by a Heegaard splitting into 2 nice pieces. This talk will give definitions and examples to highlight the striking parallels between the 3- and 4-dimensional theories, and also to present several natural open questions.

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No topology seminar tomorrow
by Henry Segerman 12 Nov '14

12 Nov '14

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Topology seminar, Thursday Nov 6
by Henry Segerman 04 Nov '14

04 Nov '14

I will speak in the seminar at 3:30pm on Thursday in MSCS 422. Title: Pachner moves and crushing normal surfaces Abstract: We investigate the problem of explicitly finding a sequence of 2-3 and 3-2 Pachner moves that connect two one-vertex triangulations of a closed 3-manifold.

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Topology seminar, Thursday 3:30pm
by Henry Segerman 29 Oct '14

29 Oct '14

Bus Jaco will speak on "Inflations of ideal triangulations" at 3:30pm in MSCS 422. Abstract: We will demonstrate the construction of inflations of an ideal triangulation of the interior of a compact three manifold via examples. Several applications of inflations to constructions of efficient triangulations and Dehn fillings will be given.

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