Condensed generalized Langlands parametrization for \ell-adic perverse sheaves

Let n2n\geq 2, let XX be a finite extension of a local nonarchimedean field, let G(X)G(X) be a reductive group, and let GalX,n\mathrm{Gal}_{X,n} and WeilX,n\mathrm{Weil}_{X,n} denote the corresponding nn-fold coverings obtained by taking roots of cyclotomic characters up to order nn. Let Gdual(Q)G^\mathrm{dual}(\overline{\mathbb{Q}}_\ell) be the dual-group-valued target and let WeilX\mathrm{Weil}_X be the Weil group of XX. Condensed generalized Langlands conjecture. There are condensed parametrizations

GalX,nGdual(Q)×WeilX\mathrm{Gal}_{X,n}\rightarrow G^\mathrm{dual}(\overline{\mathbb{Q}}_\ell)\times \mathrm{Weil}_X

and

WeilX,nGdual(Q)×WeilX\mathrm{Weil}_{X,n}\rightarrow G^\mathrm{dual}(\overline{\mathbb{Q}}_\ell)\times \mathrm{Weil}_X

for generalized \ell-adic perverse sheaves attached to G(X)G(X). This is proposed as a generalization of the cited work of Fargues and Scholze to the covered Galois and Weil groups; the source does not provide a resolution.

Sources & referencesView supporting material

Primary source

Xin Tong, “-Categorical Generalized Langlands Correspondence III: -Stackification”, arXiv:2406.16757 (2024).

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