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Abstract: Let g be the Lie algebra of a connected, simply connected semisimplealgebraic group over an algebraically closed field of sufficiently largepositive characteristic. We study the compatibility between the Koszul gradingon the restricted enveloping algebra Ug 0 of g constructed in a previouspaper, and the structure of Frobenius algebra of Ug 0. This answers aquestion raised to the author by W. Soergel.



Author: Simon Riche

Source: https://arxiv.org/







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