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Regular functions on spherical nilpotent orbits in complex symmetric pairs: exceptional cases (1710.11468v1)
Published 31 Oct 2017 in math.RT and math.AG
Abstract: Given an exceptional simple complex algebraic group G and a symmetric pair (G, K), we study the spherical nilpotent K-orbit closures in the isotropy representation of K. We show that they are all normal except in one case in type G2, and compute the K-module structure of the ring of regular functions on their normalizations.
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