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math.RT2001
Two-row nilpotent orbits of cyclic quivers
Anthony Henderson
We prove that the local intersection cohomology of nilpotent orbit closures of cyclic quivers is trivial when the two orbits involved correspond to partitions with at most two rows…
math.RT2001
K^F-invariants in irreducible representations of G^F, when G=GL_n
Anthony Henderson
Using a general result of Lusztig, we give explicit formulas for the dimensions of K^F-invariants in irreducible representations of G^F, when G=GL_n, F:G->G is a Frobenius map, and…