Descente galoisienne sur le second groupe de Chow : mise au point et applications
classification
🧮 math.AG
math.KT
keywords
chowgroupsecondapplicationscoefficientscohomologyconnectedconnections
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Connections between the second Chow group of a smooth projective variety and its third unramified cohomology group, with coefficients the roots of unity twisted twice, feature in several recent works. In this note we revisit a 1996 paper by B. Kahn and specialize it to various types of rationally connected varieties.
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