Abstract
Duality and the use of the geometry caused by duality are powerful tools in representation theory. A very nice example for this is Okuyama’s proof that G has a normal Sylow 2-subgroup if 2 does not divide the dimension of any absolutely simple module in characteristic 2 (see [12]).
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Willems, W. (1991). Duality and forms in representation theory. In: Michler, G.O., Ringel, C.M. (eds) Representation Theory of Finite Groups and Finite-Dimensional Algebras. Progress in Mathematics, vol 95. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-8658-1_24
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DOI: https://doi.org/10.1007/978-3-0348-8658-1_24
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