Inductive construction of supercuspidal $L$-packets

Genestier--Lafforgue and Fargues--Scholze have constructed a semisimple local Langlands paramterization for reductive groups over equicharacteristic local fields. Assuming a version of the stable twisted trace formula for function fields, we prove the surjectivity of this parameterization for split groups in sufficiently large characteristic.

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ArXiv.org
Published
2025-02-28
Primary Topic
Advanced Algebra and Geometry
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article
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article

Inductive construction of supercuspidal $L$-packets

Michael Harris, Raphaël Beuzart-Plessis, Jack A. Thorne
ArXiv.org
Advanced Algebra and Geometry
article

Inductive construction of supercuspidal $L$-packets

Michael Harris, Raphaël Beuzart-Plessis, Jack A. Thorne
article en

Abstract

Genestier--Lafforgue and Fargues--Scholze have constructed a semisimple local Langlands paramterization for reductive groups over equicharacteristic local fields. Assuming a version of the stable twisted trace formula for function fields, we prove the surjectivity of this parameterization for split groups in sufficiently large characteristic.

ArXiv.org
University of Cambridge (GB), Château Gombert (FR), Institut de Mathématiques de Marseille (FR), Institut Polytechnique de Bordeaux (FR), Columbia University (US)
Openalex Percentile: Top 56%
Advanced Algebra and Geometry
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