Weissman's local Langlands correspondence for basic covers

Let GG be the underlying group, let BasicG\textnormal{\textsf{Basic}}_G be the set of basic data, and for each βBasicG\beta\in\textnormal{\textsf{Basic}}_G let G~β\widetilde G_\beta be the corresponding cover. Let Π(G~β)\Pi(\widetilde G_\beta) denote its relevant representations, and let Φ(H~)\Phi(\widetilde H) be the set of isomorphism classes of semisimple L-parameters. Weissman's local Langlands correspondence for basic covers. For each βBasicG\beta\in\textnormal{\textsf{Basic}}_G, there is a natural finite-to-one map

LLCβ:Π(G~β)Φ(H~).\operatorname{LLC}_\beta:\Pi(\widetilde G_\beta)\longrightarrow\Phi(\widetilde H).

This is the formulation of the same local Langlands correspondence simultaneously for the basic covers indexed by β\beta. The source gives no evidence that it has been resolved.

Sources & referencesView supporting material

Primary source

Luozi Shi and Yifei Zhao, “What are the extended pure inner forms of a cover?”, arXiv:2506.08696 (2025).

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