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arXiv:0903.2489 [math.AG]AbstractReferencesReviewsResources

Groupes de Cremona, connexité et simplicité

Jérémy Blanc

Published 2009-03-13, updated 2009-06-26Version 2

The Cremona group is connected in any dimension and, endowed with its topology, it is simple in dimension 2. ----- Le groupe de Cremona est connexe en toute dimension et, muni de sa topologie, il est simple en dimension 2.

Comments: 6 pages, in french
Journal: Ann. Sci. \'Ec. Norm. Sup\'er. (4) 43 (2010), no. 2, 357-364
Categories: math.AG, math.GR
Subjects: 14E07, 14L30
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