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arxiv: 0706.4187 · v1 · submitted 2007-06-28 · 🧮 math.AG · math.AC

The Automorphism Group of Certain Factorial Threefolds and a Cancellation Problem

classification 🧮 math.AG math.AC
keywords automorphismcancellationcertainfactorialgroupproblemthreefoldsactions
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The automorphism groups of certain factorial complex affine threefolds admitting locally trivial actions of the additive group are determined. As a consequence new counterexamples to a generalized cancellation problem are obtained.

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