Lifting involutions in a Weyl group to the torus normalizer
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Let N be the normalizer of a maximal torus T in a split reductive group over Fq, and let w be an involution in theWeyl group N/T. We explicitly construct a lifting n of w in N such that the image of n under the Frobenius map is equal to the inverse of n.
DepartmentMassachusetts Institute of Technology. Department of Mathematics
American Mathematical Society (AMS)
Lusztig, G. et al. "Lifting involutions in a Weyl group to the torus normalizer." Representation Theory 22 (April 2018): 27-44 © 2018 American Mathematical Society
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