Torsion in the Griffiths group of products with Enriques surfaces

Publikation: Arbeitspapier/Preprint › Preprint

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  • Stefan Schreieder

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OriginalspracheEnglisch
PublikationsstatusElektronisch veröffentlicht (E-Pub) - 30 Nov. 2020

Abstract

We show that the torsion subgroup of the Griffiths group of a smooth complex projective variety is in general not finitely generated; in fact, there may be infinite 2-torsion. Our main new ingredient is refined unramified cohomology, recently introduced in [Sch20a].

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Torsion in the Griffiths group of products with Enriques surfaces. / Schreieder, Stefan.
2020.

Publikation: Arbeitspapier/Preprint › Preprint

Schreieder S. Torsion in the Griffiths group of products with Enriques surfaces. 2020 Nov 30. Epub 2020 Nov 30.
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