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Seminar des SFB/TRR 326 GAUS Torsion in Griffiths Groups
- Termin in der Vergangenheit
- Freitag, 15. Dezember 2023, 13:30 Uhr
- INF 205, SR A
- Theodosis Alexandrou, Universität Hannover
Adresse
INF 205, SR A
Veranstalter
Dr. Morten Lüders
Veranstaltungstyp
Vortrag
The Griffiths group Griff^i(X) of a smooth complex projective variety X is the group of nullhomologous codimension−i cycles on X modulo algebraic equivalence. Recently Schreieder gave the first examples of smooth complex projective varieties X for which the Griffiths group has infinite torsion. In his examples the infinitely many torsion classes are of order 2. In this talk we show that for any integer n ≥ 2, there is a smooth complex projective 5−fold X whose third Griffiths group contains infinitely many torsion elements of order n.