The finite-to-one surjective local Langlands correspondence

Let FF be a pp-adic field, let WFW_F' be its Weil–Deligne group, and let GG be a connected reductive pp-adic group. Let Π(G/F)\Pi(G/F) be the set of isomorphism classes of irreducible smooth representations of G(F)G(F), and let Φ(G/F)\Phi(G/F) be the set of G^\hat{G}-conjugacy classes of admissible Langlands parameters φ:WFLG\varphi:W_F'\rightarrow{}^LG. Local Langlands conjecture. There is a finite-to-one surjective map Π(G/F)Φ(G/F)\Pi(G/F)\rightarrow\Phi(G/F) satisfying the desiderata of Borel's formulation. This is presented as the general conjectural form of the local Langlands correspondence; no resolution or restriction to a class of groups is supplied in the text.

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Primary source

Shenghao Li, “Base change fundamental lemma for Bernstein centers of principal series blocks”, arXiv:2602.12336 (2026).

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