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Canonical Heights on Hyper-Kähler Varieties and the Kawaguchi–Silverman Conjecture.
- Source :
-
IMRN: International Mathematics Research Notices . May2021, Vol. 2021 Issue 10, p7677-7714. 38p. - Publication Year :
- 2021
-
Abstract
- The Kawaguchi–Silverman conjecture predicts that if |$f: X \dashrightarrow X$| is a dominant rational-self map of a projective variety over |$\overline{{\mathbb{Q}}}$| , and |$P$| is a |$\overline{{\mathbb{Q}}}$| -point of |$X$| with a Zariski dense orbit, then the dynamical and arithmetic degrees of |$f$| coincide: |$\lambda _1(f) = \alpha _f(P)$|. We prove this conjecture in several higher-dimensional settings, including all endomorphisms of non-uniruled smooth projective threefolds with degree larger than |$1$| , and all endomorphisms of hyper-Kähler manifolds in any dimension. In the latter case, we construct a canonical height function associated with any automorphism |$f: X \to X$| of a hyper-Kähler manifold defined over |$\overline{{\mathbb{Q}}}$|. We additionally obtain results on the periodic subvarieties of automorphisms for which the dynamical degrees are as large as possible subject to log concavity. [ABSTRACT FROM AUTHOR]
- Subjects :
- *LOGICAL prediction
*ENDOMORPHISMS
*ARITHMETIC
*RATIONAL points (Geometry)
Subjects
Details
- Language :
- English
- ISSN :
- 10737928
- Volume :
- 2021
- Issue :
- 10
- Database :
- Academic Search Index
- Journal :
- IMRN: International Mathematics Research Notices
- Publication Type :
- Academic Journal
- Accession number :
- 150340704
- Full Text :
- https://doi.org/10.1093/imrn/rnz067