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Bounded-Degree Subgroups of the Cremona Group in \(\mathrm{CR}\)-Geometry

  • Valerii Beloshapka

摘要

Abstract

We describe subgroups of elements of uniformly bounded degrees in Cremona groups of arbitrary rank. These subgroups appear naturally in \(\mathrm{CR}\) -geometry as holomorphic automorphism groups of nondegenerate homogeneous model surfaces.