Aubert–Moussaoui–Solleveld Bernstein-block LLC conjecture

From papers

Let GG be a reductive group and let B(G)\mathfrak{B}(G) denote its Bernstein spectrum. For a Bernstein component s=[L,σ]GB(G)\mathfrak{s}=[L,\sigma]_G\in\mathfrak{B}(G), suppose the local Langlands correspondence for LL assigns to σ\sigma the enhanced parameter (φσ,ρσ)(\varphi_\sigma,\rho_\sigma). Define the corresponding dual Bernstein component by

s=[L,(φσ,ρσ)]G.\mathfrak{s}^{\vee}=[L^{\vee},(\varphi_\sigma,\rho_\sigma)]_{G^{\vee}}.

Aubert–Moussaoui–Solleveld's Bernstein-block conjecture. The local Langlands correspondence for LL induces a bijection

Irrs(G)1-1Φes(G).\operatorname{Irr}^{\mathfrak{s}}(G)\xrightarrow{1\text{-}1}\Phi_{\mathrm{e}}^{\mathfrak{s}^{\vee}}(G).

This conjecture refines the local Langlands correspondence block by block. The supplied text records cases where the related compatibility property is known, but does not state that this Bernstein-block conjecture itself is resolved.

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Sources & referencesView supporting material

Primary source

Anne-Marie Aubert and Yujie Xu, “The Explicit Local Langlands Correspondence for G_2”, arXiv:2208.12391 (2023).

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