The Triangle Topology Seminar is a joint seminar between Duke, NCSU, and UNC, meeting on selected Mondays and Tuesdays. Talks listed without a location at UNC or NCSU are being held at Duke. If you would like to be added to the mailing list for announcements of the seminar, please contact Lenny Ng.
Thomas Mark (University of Virginia, Mathematics)
A well-known theorem of Lickorish and Wallace states that any closed orientable 3-manifold can be obtained by surgery on a link in the 3-sphere. For a given 3-manifold one can ask how "simple" a link...