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Character stacks and $(q-)$geometric representation theory

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Authors : Gunningham, Sam (Author of the conference)
CIRM (Publisher )

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Abstract : I will discuss applications of geometric representation theory to topological and quantum invariants of character stacks. In particular, I will explain how generalized Springer correspondence for class $D$-modules and Koszul duality for Hecke categories encode surprising structure underlying the homology of character stacks of surfaces (joint work with David Ben-Zvi and David Nadler). I will then report on some work in progress with David Jordan and Pavel Safronov concerning a q-analogue of these ideas. The applications include an approach towards Witten's conjecture on the fi dimensionality of skein modules, and methods for computing these dimensions in certain cases.

MSC Codes :
14F10 - Differentials and other special sheaves; D-modules; Bernstein-Sato ideals and polynomials
14D23 - Stacks and moduli problems

    Information on the Video

    Film maker : Hennenfent, Guillaume
    Language : English
    Available date : 18/04/2019
    Conference Date : 02/04/2019
    Subseries : Research talks
    arXiv category : Quantum Algebra ; Algebraic Geometry ; Representation Theory
    Mathematical Area(s) : Algebra ; Algebraic & Complex Geometry
    Format : MP4 (.mp4) - HD
    Video Time : 00:59:16
    Targeted Audience : Researchers
    Download : https://videos.cirm-math.fr/2019-04-02_Gunningham.mp4

Information on the Event

Event Title : Symplectic representation theory / Théorie symplectique des représentations
Event Organizers : Bellamy, Gwyn ; Ben-Zvi, David ; Schedler, Travis ; Schiffmann, Olivier ; Shan, Peng
Dates : 01/04/2019 - 05/04/2019
Event Year : 2019
Event URL : https://conferences.cirm-math.fr/1956.html

Citation Data

DOI : 10.24350/CIRM.V.19511403
Cite this video as: Gunningham, Sam (2019). Character stacks and $(q-)$geometric representation theory. CIRM. Audiovisual resource. doi:10.24350/CIRM.V.19511403
URI : http://dx.doi.org/10.24350/CIRM.V.19511403

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