Outer-automorphism compatibility conjecture for local Langlands reciprocity
Let be a reductive group, let be its group of -rational outer automorphisms, let , and let be a Whittaker datum. Outer-automorphism compatibility conjecture. For every relevant irreducible representation ,
This predicts equivariance of the refined local Langlands correspondence, including the possibility that outer automorphisms move representations between rigid inner twists.
References
Primary source
Peter Dillery and David Schwein, “A stacky generalized Springer correspondence and rigid enhancements of L-parameters”, arXiv:2308.11752 (2024).
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