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Journal Articles Duke Mathematical Journal Year : 2013

Voevodsky's motives and Weil reciprocity

Bruno Kahn


We describe Somekawa's K-group associated to a finite collection of semi-abelian varieties (or more general sheaves) in terms of the tensor product in Voevodsky's category of motives. While Somekawa's definition is based on Weil reciprocity, Voevodsky's category is based on homotopy invariance. We apply this to explicit descriptions of certain algebraic cycles.
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Dates and versions

hal-00614603 , version 1 (12-08-2011)
hal-00614603 , version 2 (29-11-2012)



Bruno Kahn, Takao Yamazaki. Voevodsky's motives and Weil reciprocity. Duke Mathematical Journal, 2013, 162 (14), pp.2751-2796. ⟨10.1215/00127094-2381379⟩. ⟨hal-00614603v2⟩
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