Hyperspherical equivariant slices and basic classical Lie superalgebras

Abstract

We classify all the hyperspherical equivariant slices of reductive groups. The classification is $S$-dual to the one of basic classical Lie superalgebras.

arXiv commentv2: Table 1, Lemma 2.1.6, Theorem 2.1.8, Remark 2.1.9 added. The final published version

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