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arxiv: 0808.2998 · v2 · pith:27OPRND3new · submitted 2008-08-21 · 🧮 math.RT

Nilpotent orbits in the dual of classical Lie algebras in characteristic 2 and the Springer correspondence

classification 🧮 math.RT
keywords characteristicalgebraicallyalgebrasclosedcorrespondencedualnilpotentorbits
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Let $G$ be a simply connected algebraic group of type $B,C$ or $D$ over an algebraically closed field of characteristic 2. We construct a Springer correspondence for the dual vector space of the Lie algebra of $G$. In particular, we classify the nilpotent orbits in the duals of symplectic and orthogonal Lie algebras over algebraically closed or finite fields of characteristic 2.

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