Seminars & Colloquia Calendar

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Lie Group Quantum Mathematics Seminar

Genus Two Generalization of \(A_1\) spherical Double Affine Hecke Algebra

Semeon Artamonov, Rutgers University

Location:  Hill 705
Date & time: Friday, 30 March 2018 at 12:00PM - 1:00PM

  • Abstract:    Spherical Double Affine Hecke Algebra can be viewed as a noncommutative (q,t)-deformation of the SL(N,C) character variety of the fundamental group of a torus. This deformation inherits major topological property from its commutative counterpart, namely Mapping Class Group of a torus SL(2,Z) acts by atomorphisms of DAHA. In my talk I will define a genus two analogue of A_1 spherical DAHA and show that the Mapping Class Group of a closed genus two surface acts by automorphisms of such algebra. I will then show that for special values of parameters q,t satisfying q^n t^2=1 for some nonnegative integer n this algebra admits finite dimensional representations. I will conclude with discussion of potential applications to TQFT and knot theory.

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