Abstract
Let G be a reductive algebraic group acting regularly and effectively on an algebraic variety M. We obtain upper bounds for dim(G) in terms of dim(M). In particular, we improve results of Carayol.
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Zarhin, Y.G. Dimensions of reductive automorphism groups. Geom Dedicata 39, 163–172 (1991). https://doi.org/10.1007/BF00182292
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DOI: https://doi.org/10.1007/BF00182292