Contrary to the case of K3 surfaces, a general Enriques surface has an infinite group of automorphisms, and there exist Enriques surfaces with an automorphism acting trivially on the Picard lattice.

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Automorphisms of Enriques Surfaces

  • Igor Dolgachev,
  • Shigeyuki Kondō

摘要

Contrary to the case of K3 surfaces, a general Enriques surface has an infinite group of automorphisms, and there exist Enriques surfaces with an automorphism acting trivially on the Picard lattice.