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Journal of Algebraic Geometry

Journal of Algebraic Geometry

Online ISSN 1534-7486; Print ISSN 1056-3911

   
 
 

 

The Hodge standard conjecture for self-products of K3 surfaces


Authors: Kazuhiro Ito, Tetsushi Ito and Teruhisa Koshikawa
Journal: J. Algebraic Geom.
DOI: https://doi.org/10.1090/jag/840
Published electronically: October 3, 2024
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Abstract | References | Additional Information

Abstract: As an application of our previous work on CM liftings of K3 surfaces and the Tate conjecture, we prove the Hodge standard conjecture for squares of K3 surfaces. We also deduce the Hodge standard conjecture for all the powers of certain K3 surfaces.


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Kazuhiro Ito
Affiliation: Mathematical Institute, Tohoku University, Sendai 980-8578, Japan
MR Author ID: 1260950
Email: kazuhiro.ito.c3@tohoku.ac.jp

Tetsushi Ito
Affiliation: Department of Mathematics, Faculty of Science, Kyoto University, Kyoto 606-8502, Japan
MR Author ID: 684347
ORCID: 0000-0002-6199-0218
Email: tetsushi@math.kyoto-u.ac.jp

Teruhisa Koshikawa
Affiliation: Research Institute for Mathematical Sciences, Kyoto University, Kyoto 606-8502, Japan
MR Author ID: 1253617
Email: teruhisa@kurims.kyoto-u.ac.jp

Received by editor(s): December 2, 2022
Received by editor(s) in revised form: May 2, 2024
Published electronically: October 3, 2024
Additional Notes: The work of the first author was supported by JSPS KAKENHI Grant Number 22K20332. The work of the third author was supported by JSPS KAKENHI Grant Number 20K14284. The work of the second and the third author was supported by JSPS KAKENHI Grant Number 21H00973
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