The genus-one Betti geometric Langlands conjecture

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

H⊗H⊗HopH⟶A(E)\mathcal{H}\otimes_{\mathcal{H}\otimes\mathcal{H}^{op}}\mathcal{H}\longrightarrow\mathcal{A}(E)

be the canonical map of Corollary~. Let Loc⁡G∨(E)\operatorname{Loc}_{G^\vee}(E) denote the moduli space of G∨G^\vee-local systems on EE, and let QC⁡N!\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)≃QC⁡N!(Loc⁡G∨(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.

References

Primary source

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

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