Abstract
Let G be a special orthogonal group over an algebraically closed field of characteristic exponent p. In this paper we extend certain aspects of the Dynkin–Kostant theory of unipotent elements of G (when p = 1) to the general case (including p = 2).
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B. Kostant, The principal three-dimensional subgroup and the Betti numbers of a complex simple, Amer. J. Math. 81 (1959), 973–1032.
G. Lusztig, Notes on unipotent classes, Asian J. Math. 1 (1997), 194–207.
G. Lusztig, Unipotent elements in small characteristic, Transform. Groups 10 (2005), 449–487.
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Dedicated to Bert Kostant on the occasion of his 80th birthday
*Supported in part by the National Science Foundation.
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Lusztig, G. Unipotent Elements in Small Characteristic, II. Transformation Groups 13, 773–797 (2008). https://doi.org/10.1007/s00031-008-9021-1
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DOI: https://doi.org/10.1007/s00031-008-9021-1