actionadicaffinealgebraalgebrasansatzarithmeticassociatedbasesbetheblocksbraidbrauercalculuscanonicalcategoriescategorificationcellscharactercherednikclassicalcohomologycomplexconformalconjectureconstructconstructioncriticalcurvescyclotomicdecompositiondelignederangementsderiveddifferentialdimensionalelementsellipticexceptionalexplicitexplicitlyfiniteflagfunctionsfunctorialitygelfandgeneralgeometricgeometrygroupgroupsheckehigherinductionintroductioninvariantirreduciblekackazhdankernelskirillovlanglandslevellinearlusztigmanifoldsmodularmodulesmomentmoodynilpotentoperatorsparameterspermutationperversepoissonpolynomialspositivityquantisationquantumquasiquiverrealreductivereflectionrepresentationrepresentationsrootsschubertschursemisimplesheavessimpleslsmallspacespacesstructuresymmetricsymmetrysymplecticsystemstheoremtotaltryingtypesunequalunipotentunityvarietiesvertexviayangians