Topology Seminar- Re-normalized Quantum Link Invariants

Greater Washington Topology Seminar

The following is a list of confirmed speakers and dates for the Greater (George) Washington Topology Seminar seminar: 

1. March 5, 2021: Maciej Mroczkowski (University of Gdańsk)

2. March 12, 2021: Victoria Lebed (Université de Caen - Normandie )

3. March 26, 2021: Dirk Schütz (University of Durham)

4. April 2, 2021: Peter Samuelson (University of California, Riverside)

5. April 9, 2021: Krzysztof Putyra (Universität Zürich)

6. April 16, 2021: Michal Jablonowski (University of Gdańsk)

7. April 23, 2021: Nathan Geer (Utah State University)

8. April 30, 2021: Joseph Boninger (CUNY)

9. May 7, 2021: William Goldman (University of Maryland, College Park) 

10. May 14, 2021: Wade Bloomquist (Georgia Tech)


The next talk will be by Nathan Geer and will take place on April 23, 2021 from 1:00pm to 2:00pm EDT. 

Title: Re-normalized Quantum Link Invariants

Abstract: In the last few years, C. Blanchet, F. Costantino, M. De Renzi, B. Patureau, N. Reshetikhin, V. Turaev and myself (in various collaborations) have developed a theory of renormalized quantum invariants coming from non-semi-simple categories.  This talk will start out by giving an overview of this work.  In the second part of the talk I will discuss the renormalized quantum invariants of links coming from quantized sl(2) at a root of unity. These link invariants contain Kashaev's quantum dilogarithm invariants of knots and the multi-variable Alexander Polynomial. This theory is also related to logarithmic conformal field theory.  It is my intention that graduate students will be able to follow this non-technical talk.  

The Zoom information is listed below: 

Topic: GW Topology Seminar 

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The password is the last name of the Fields Medalist famous for his work on von Neumann algebras and knot polynomials; first letter capitalized.  


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