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arxiv: 1405.1646 · v1 · pith:QYXC2KQGnew · submitted 2014-05-07 · 🧮 math.AG

Some remarks on modified diagonals

classification 🧮 math.AG
keywords modifieddiagonalsproveresultssomeabelianbasicclasses
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We prove a number of basic vanishing results for modified diagonal classes. We also obtain some sharp results for modified diagonals of curves and abelian varieties, and we prove a conjecture of O'Grady about modified diagonals on double covers.

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