Fibered Calabi-Yau threefolds with relative automorphisms of positive entropy and c2-contractions

Abstract

We show that an abelian fibered Calabi-Yau threefold with a positive entropy automorphism preserving the fibration is unique up to isomorphisms as fibered varieties. We also give a fairly explicit structure theorem of an elliptically fibered Calabi-Yau threefold with a positive entropy automorphism preserving the fibration.

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