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Discover art spanning five centuries at USC Fisher Museum of Art.
Ongoing
An SU(n) Casson-Lin invariant for links
LA Joint Topology Seminar - Double Header (Held at UCLA)
Monday, November 26, 2012 : 4:00pm to 5:00pm
UCLA
MS 6229
LA Joint Topology Seminar (Double Header) H. Boden & C. Gordon
Hans Boden, McMaster University,
Abstract:
This talk will describe some recent joint work with Eric Harper defining a family of invariants of links in S^3 in terms of irreducible projective SU(N) representations of the link group. We will explain the compactness and irreducibility results needed to construct the invariants and outline how they can be computed in terms of braid representatives of the link.