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http://dx.doi.org/10.4134/BKMS.b160810

THE JORDAN CONSTANT FOR CREMONA GROUP OF RANK 2  

Yasinsky, Egor (Steklov Mathematical Institute of Russian Academy of Sciences)
Publication Information
Bulletin of the Korean Mathematical Society / v.54, no.5, 2017 , pp. 1859-1871 More about this Journal
Abstract
We compute the Jordan constant for the group of birational automorphisms of a projective plane ${\mathbb{P}}^2_{\mathbb{k}}$, where ${\mathbb{k}}$ is either an algebraically closed field of characteristic 0, or the field of real numbers, or the field of rational numbers.
Keywords
Cremona group; Jordan constant; conic bundle; del Pezzo surface; automorphism group;
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