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Automorphism groups of semi-rigid -varieties of complexity one
Kirill Rassolov
Source abstract
We prove that if is a semi-rigid normal rational affine algebraic variety with torus action of complexity one, with only constant invertible global functions and finitely generated divisor class group, then the identity component of the automorphism group of is a semi-direct product of a torus and the maximal unipotent-generated subgroup.
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