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math.RT2012★ 3 cited
A -analogue of weight multiplicities
George Lusztig, Zhiwei Yun
We prove a conjecture in \cite{L} stating that certain polynomials introduced in \cite{LV1} for twisted involutions in an affine Weyl group give -analogues of…
math.CO2012
Fake degrees for reflection actions on roots
Victor Reiner, Zhiwei Yun
A finite irreducible real reflection group of rank l and Coxeter number h has root system of cardinality h*l. It is shown that the fake degree for the permutation action on its roo…