Surfaces with surjective endomorphisms of any given degree (Q658949)
From MaRDI portal
| This is the item page for this Wikibase entity, intended for internal use and editing purposes. Please use this page instead for the normal view: Surfaces with surjective endomorphisms of any given degree |
scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Surfaces with surjective endomorphisms of any given degree |
scientific article |
Statements
Surfaces with surjective endomorphisms of any given degree (English)
0 references
9 February 2012
0 references
Let \(X\) be a complex projective variety. A surjective endomorphism \(f:X\to X\) is said to be a nontrivial self-map if it has degree strictly greater than 1. In the paper under review the authors study nontrivial self-maps of surfaces. The main result of the paper is Theorem 2 where a complete classification of complex projective surfaces admitting self-maps of any given degree is provided. An explicit construction of some surfaces satisfying this property is given in Example 21 thus showing that the given classification does not contain empty items. The main tools in the proof of Theorem 2 are Theorem 3.2 in [\textit{Y. Fujimoto}, Publ. Res. Inst. Math. Sci. 38, No. 1, 33--92 (2002; Zbl 1053.14049)] and Theorem 3 in [\textit{N. Nakayama}, Kyushu J. Math. 56, No. 2, 433--446 (2002; Zbl 1049.14029)] where a complete description of complex projective surfaces admitting \textit{at least} a nontrivial self-map is provided.
0 references
nontrivial surjective endomorphisms
0 references
projective bundles
0 references
étale quotients
0 references