摘 要: | AdriousopenprobleminrepreselltationtheoryoffinitegroupsistoprovethatthenUInerk(B)ofordinaryirreduciblecharactersinapblockBofafinitegroupisatm0stIDl,theorderofadefectgroupofB.Theb0undk(B)54 1ofBrauerandFeit1]isthebestgeneralresultknown.Theproblemisverydifficultevenforp-s0hablegroups.Nagaol8]showedthattheinequalityk(B)5IDlforp-s0lVablegroupswouldfollowfromanaffirmativesolutiontotheso-calledk(GV)-problem:k(GV)SfVl,whereVisafinitedimensionalvectorspaceoverthefieldGF(P)foraprimep,p'-grou…
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