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Equivariant U(N) Verlinde algebra from Bethe/gauge correspondence
A bstract We compute the topological partition function (twisted index) of $$ \mathcal{N} $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>N</mml:mi></mml:math> = 2 U( N ) Chern-Simons theory with an adjoint chiral multiplet on Σ g × S 1 . The localization technique shows that the underlying Frobenius algebra is the equivariant Verlinde algebra which …