A generalization of the Picard-Brauer exact sequence
classification
🧮 math.AG
math.NT
keywords
exactsequencecodimensiongeneralizationgrouppicard-brauerargumentbrauer-like
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We extend an argument of S.Lichtenbaum involving codimension one cycles to higher codimensions and obtain a generalization of the well-known Picard-Brauer exact sequence for a smooth variety X. The resulting exact sequence connects the codimension n Chow group of X with a certain "Brauer-like" group.
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