{ "id": "0808.2998", "version": "v2", "published": "2008-08-21T20:57:24.000Z", "updated": "2018-05-24T11:38:28.000Z", "title": "Nilpotent orbits in the dual of classical Lie algebras in characteristic 2 and the Springer correspondence", "authors": [ "Ting Xue" ], "comment": "26 pages. arXiv admin note: text overlap with arXiv:0808.2995", "journal": "Represent. Theory 13 (2009), 609--635", "categories": [ "math.RT" ], "abstract": "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.", "revisions": [ { "version": "v1", "updated": "2008-08-21T20:57:24.000Z", "abstract": "We classify the nilpotent orbits in the dual space of the classical Lie algebras over an algebraically closed field or a finite field of characteristic 2. In particular, we obtain the number of nilpotent orbits over $\\tF_{2^n}$. We also give the structure of the component groups of centralizers. Let $G$ be an adjoint algebraic group of type $B,C$ or $D$ defined over an algebraically closed field of characteristic 2. We construct the Springer correspondence for the nilpotent variety in the dual space of the Lie algebra of $G$.", "comment": "19 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2018-05-24T11:38:28.000Z" } ], "analyses": { "keywords": [ "classical lie algebras", "nilpotent orbits", "springer correspondence", "characteristic", "dual space" ], "tags": [ "journal article" ], "publication": { "publisher": "AMS", "journal": "Represent. Theory" }, "note": { "typesetting": "TeX", "pages": 26, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008arXiv0808.2998X" } } }