The paper proves the Morrison-Kawamata cone conjecture and finite generation of automorphisms for Enriques surfaces in odd characteristic, and constructs a positive-characteristic surface birational to an Enriques surface with discrete non-finitely generated automorphism group.
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On automorphisms and the cone conjecture for Enriques surfaces in odd characteristic
The paper proves the Morrison-Kawamata cone conjecture and finite generation of automorphisms for Enriques surfaces in odd characteristic, and constructs a positive-characteristic surface birational to an Enriques surface with discrete non-finitely generated automorphism group.