Automorphisms of nonnormal toric varieties

2020/12/06 by Boldyrev, Ilya, Gaifullin, Sergey · 2 citations
#14J50 #14R30 #Algebraic Geometry (math.AG) #FOS: Mathematics

paper · doi:10.48550/arxiv.2012.03346

Abstract

In this paper we prove criteria for a nonnormal toric variety to be flexible, to be rigid and to be almost rigid. For rigid and almost rigid toric varieties we describe the automorphism group explicitly.

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• Flexibility of affine spherical varieties
• Flexibility criterion for affine horospherical varieties

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