Sharpness versus bluntness in affine Weyl groups

Lusztig, G.

doi:10.1090/ert/678

Sharpness versus bluntness in affine Weyl groups
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by G. Lusztig;

Represent. Theory 28 (2024), 514-532

DOI: https://doi.org/10.1090/ert/678

Published electronically: November 14, 2024

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Abstract:

In this paper we give an explanation of the bijection between arithmetic and geometric diagrams attached to supercuspidal unipotent representations of a simple p-adic group which is based purely on algebra.

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