3-Manifold Seminar: Ribbon Graphs Invariants from Ribbon Categories

Seminar | October 10 | 2:10-3:30 p.m. | 740 Evans Hall

 Kevin Donoghue, UC Berkeley

 Department of Mathematics

I will introduce the notion of a ribbon category. I will show how such categories can be used to recover and generalize the ribbon graph invariants that were introduced in prior talks.