TGTS Tetrahedral Geometry/Topology Seminar

Sponsored by Elizabethtown College, Franklin and Marshall College,
Lebanon Valley College, and Millersville University

Speakers 2014-2015

12 September   David Lyons, Lebanon Valley College
 3 October     David Johnson, Lehigh University
 7 November    Josh Sabloff, Haverford College
 5 December    Vincent Coll, Lehigh University
 6 February    Lisa Traynor, Bryn Mawr College
 6 March       Zhigang Han, Millersville University
10 April       Barbara Nimershiem, Franklin and Marshall College
TGTS meets at 4:30 p.m. on the first Friday of each month. The public is cordially invited to attend.

Next Talk

    Date: 7 November 2014, 4:30pm
Location: Hempfield High School, Room 213
 Speaker: Josh Sabloff, Haverford College
   Title: Topologically Distinct Lagrangian Fillings and the
   Generating Family Homology Number

Abstract. We construct Legendrian submanifolds with arbitrarily
many topologically distinct Lagrangian fillings, thereby (secretly)
answering a question about intersections of complex curves with the
4-ball asked by Boileau and Fourrier. These fillings are then combined
with a TQFT-like theory for Lagrangian cobordisms between Legendrian
submanifolds to produce interesting consequences for some non-classical
invariants of the Legendrian submanifolds with topologically distinct
fillings.  Various parts of this talk are joint work with Traynor,
Bourgeois-Traynor, and Cao-Gallup-Hayden.

Past Seminars

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