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arXiv:1510.01825 [math.AG]AbstractReferencesReviewsResources

Cup products, the Heisenberg group, and codimension two algebraic cycles

Ettore Aldrovandi, Niranjan Ramachandran

Published 2015-10-07Version 1

We define higher categorical invariants (gerbes) of codimension two algebraic cycles and provide a categorical interpretation of the intersection of divisors on a smooth proper algebraic variety. This generalization of the classical relation between divisors and line bundles furnishes a new perspective on the Bloch-Quillen formula.

Comments: 20 pages; comments welcome
Categories: math.AG, math.KT
Subjects: 14C25, 14F42, 55P20, 55N15
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