9 citations · 32 across the 21 of their papers we have counts for
Showing 2009Show all
2 papers · 1 filter
math.AG2009★ 1 cited
Deligne's conjecture on extensions of 1-motives
Cristiana Bertolin
We introduce the notion of extension of 1-motives. Using the dictionary between strictly commutative Picard stacks and complexes of abelian sheaves concentrated in degrees -1 and 0…
math.KT2009
Biextensions of 1-motives in Voevodsky's category of motives
Cristiana Bertolin, Carlo Mazza
Let k be a perfect field. In this paper we prove that biextensions of 1-motives define multilinear morphisms between 1-motives in Voevodsky's triangulated category of effective geo…