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Normal Projective Varieties Admitting Polarized or Int-amplified Endomorphisms

  • Sheng Meng*
  • , De Qi Zhang
  • *Corresponding author for this work
  • National University of Singapore

Research output: Contribution to journalArticlepeer-review

Abstract

Let X be a normal projective variety admitting a polarized or int-amplified endomorphism f. We list up characteristic properties of such an endomorphism and classify such a variety from the aspects of its singularity, anti-canonical divisor, and Kodaira dimension. Then, we run the equivariant minimal model program with respect to not just the single f but also the monoid SEnd(X) of all surjective endomorphisms of X, up to finite-index. Several applications are given. We also give both algebraic and geometric characterizations of toric varieties via polarized endomorphisms.

Original languageEnglish
Pages (from-to)11-26
Number of pages16
JournalActa Mathematica Vietnamica
Volume45
Issue number1
DOIs
StatePublished - 1 Mar 2020
Externally publishedYes

Keywords

  • Amplified endomorphism
  • Equivariant MMP
  • Iteration
  • Polarized endomorphism
  • Q-abelian variety
  • Toric variety

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