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math.RT2006
Discrete series characters and the Lefschetz formula for Hecke operators
Mark Goresky, Robert Kottwitz, Robert MacPherson
This paper gives combinatorial formulas for discrete series constants, both stable and unstable, on real reductive groups. It also carries out one step of the comparison of the top…
math.RT2006
Codimensions of root valuation strata
Mark Goresky, Robert Kottwitz, Robert MacPherson
This paper defines and studies a stratification of the adjoint quotient of the Lie algebra of a reductive group over a Laurent power series field. The stratification arises natural…