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Free abelian group actions on normal projective varieties: submaximal dynamical rank case

Published online by Cambridge University Press:  14 May 2020

Fei Hu
Affiliation:
University of British Columbia, Vancouver, BCV6T 1Z2, Canada and Pacific Institute for the Mathematical Sciences, Vancouver, BCV6T 1Z4, Canada Current address: University of Waterloo, Waterloo, ONN2L 3G1, Canada e-mail: [email protected] URL: https://sites.google.com/view/feihu90s/
Sichen Li
Affiliation:
School of Mathematical Sciences, East China Normal University, 500 Dongchuan Road, Shanghai200241, China and Department of Mathematics, National University of Singapore, 10 Lower Kent Ridge Road, Singapore119076, Republic of Singapore Current address: School of Mathematical Sciences, Fudan University, 220 Handan Road, Shanghai 200433, China e-mail: [email protected]

Abstract

Let X be a normal projective variety of dimension n and G an abelian group of automorphisms such that all elements of $G\setminus \{\operatorname {id}\}$ are of positive entropy. Dinh and Sibony showed that G is actually free abelian of rank $\le n - 1$ . The maximal rank case has been well understood by De-Qi Zhang. We aim to characterize the pair $(X, G)$ such that $\operatorname {rank} G = n - 2$ .

Type
Article
Copyright
© Canadian Mathematical Society 2020

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