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On stable conjugacy of finite subgroups of the plane Cremona group, I

arXiv:1306.3045 · doi:10.2478/s11533-013-0314-9

Abstract

We discuss the problem of stable conjugacy of finite subgroups of Cremona groups. We show that the group $H^1(G,Pic(X))$ is a stable birational invariant and compute this group in some cases.

7 pages, LaTeX