Dimension des fibres de Springer affines pour les groupes
classification
🧮 math.AG
math.GRmath.RT
keywords
quotientspringeradjointaffineaffinescentralizercomputeconstruct
read the original abstract
Following Steinberg, we construct an adjoint quotient for the Vinberg semi-group and a section to this quotient. Then, after Ng\^o, we show the existence of a regular centralizer on it and use it to compute the affine Springer fibers for groups.
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