Representations of Lie superalgebras in prime characteristic III

Details Representations of Lie superalgebras in prime characteristic III Representations of Lie superalgebras in prime characteristic III

2009-10-12

arxiv.org/abs/0910.2077v1

Mathematics

Representation Theory

17 pages, submitted for publication

Scientific paper

For a restricted Lie superalgebra g over an algebraically closed field of characteristic p > 2, we generalize the deformation method of Premet and Skryabin to obtain results on the p-power and 2-power divisibility of dimensions of g-modules. In particular, we give a new proof of the Super Kac-Weisfeiler conjecture for basic classical Lie superalgebras. The new proof allows us to improve optimally the assumption on p. We also establish a semisimplicity criterion for the reduced enveloping superalgebras associated with semisimple p-characters for all basic classical Lie superalgebras using the technique of odd reflections.

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