The genus-one Betti geometric Langlands conjecture

Let EE be a genus-one curve, let H\mathcal{H} be the universal affine Hecke category, and let

HHHopHA(E)\mathcal{H}\otimes_{\mathcal{H}\otimes\mathcal{H}^{op}}\mathcal{H}\longrightarrow\mathcal{A}(E)

be the canonical map of Corollary~. Let LocG(E)\operatorname{Loc}_{G^\vee}(E) denote the moduli space of GG^\vee-local systems on EE, and let QCN!\operatorname{QC}^!_{\mathcal{N}} denote the category with the indicated nilpotent singular support condition. The genus-one Betti geometric Langlands conjecture. The map of Corollary~ is an equivalence. Hence

A(E)QCN!(LocG(E)).\mathcal{A}(E)\simeq\operatorname{QC}^!_{\mathcal{N}}(\operatorname{Loc}_{G^\vee}(E)).

This is the predicted Betti geometric Langlands equivalence for a genus-one curve, conditional in the source on the universal affine Hecke duality and related results.

Sources & referencesView supporting material

Primary source

David Nadler and Zhiwei Yun, “Automorphic gluing functor in Betti Geometric Langlands”, arXiv:2105.12318 (2023).

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