The generic quantum group Drinfeld center conjecture

Let g\mathfrak g be a semisimple Lie algebra with weight and root lattices PP and QQ, respectively. For qCq\in\mathbb{C}, let Uq(g)modU_q(\mathfrak g)\mathbf{-mod} be the category of finite-dimensional type-I representations, and let Z(Uq(g)mod)\mathcal{Z}(U_q(\mathfrak g)\mathbf{-mod}) be its Drinfeld center. The category has a canonical functor

Z:(Uq(g)modUq(g)modrevRep(P/Q))γZ(Uq(g)mod),Z:\left(U_q(\mathfrak g)\mathbf{-mod}\boxtimes U_q(\mathfrak g)\mathbf{-mod}^{\mathrm{rev}}\boxtimes\operatorname{Rep}(P/Q)\right)^\gamma\to\mathcal{Z}(U_q(\mathfrak g)\mathbf{-mod}),

where γ\gamma is a bicharacter of (P/Q)3(P/Q)^{\oplus 3}. Generic quantum group Drinfeld center conjecture. There exists such a bicharacter γ\gamma for which ZZ is an equivalence of braided tensor categories whenever qCq\in\mathbb{C} is not a root of unity. The conjecture predicts an explicit description of the Drinfeld center in the generic, non-root-of-unity case; no resolution is supplied in the source.

Sources & referencesView supporting material

Primary source

Moaaz Alqady, “The Drinfeld Center of the Generic Temperley–Lieb Category”, arXiv:2603.28970 (2026).

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