02/25/2014 - 12:15pm

02/25/2014 - 1:10pm

Speaker:

Sam Nelson (Claremont McKenna College)

Abstract:

Biracks are algebraic structures with axioms derived from the framed Reidemeister moves. Associated to a finite birack is an integer-valued invariant of knots and links known as the birack counting invariant. An enhancement of the counting invariant is a stronger and more sensitive invariant which determines the counting invariant, e.g. a polynomial invariant which evaluates to the counting invariant at 1. In this talk we will see some new enhancements of the birack counting invariant under development in Claremont.

Where:

Mudd Science Library 126 at Pomona College

__Claremont Graduate University__ | __Claremont McKenna__ | __Harvey Mudd__ | __Pitzer__ | __Pomona__ | __Scripps__

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