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most citedNormal subgroups in the Cremona group (long version)

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math.GR2013★ 17 cited

The tame automorphism group of an affine quadric threefold acting on a square complex

Cinzia Bisi, Jean-Philippe Furter, Stéphane Lamy

We study the group Tame(SL) of tame automorphisms of a smooth affine 3-dimensional quadric, which we can view as the underlying variety of SL(2,). We construct a sq…