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arXiv:1801.09599 [math.RT]AbstractReferencesReviewsResources

A Partial Order on Bipartions From the Generalized Springer Correspondence

Jianqiao Xia

Published 2018-01-29Version 1

In \cite{Lusztig}, Lusztig gives an explicit formula for the bijection between the set of bipartitions and the set $\mathcal{N}$ of unipotent classes in a spin group which carry irreducible local systems equivariant for the spin group but not equivariant for the special orthogonal group. The set $\mathcal{N}$ has a natural partial order and therefore induces a partial order on bipartitions. We use the explicit formula given in \cite{Lusztig} to prove that this partial order on bipartitions is the same as the dominance order given by Geck and Iancu, in \cite{Iancu}.

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