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About: Gras conjecture     Goto   Sponge   NotDistinct   Permalink

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Type: yago:WikicatConjecturesyago:Abstraction100002137yago:Cognition100023271yago:Concept105835747yago:Content105809192yago:Hypothesis105888929yago:Idea105833840yago:PsychologicalFeature100023100yago:Speculation105891783 New Facet based on Instances of this Class

In algebraic number theory, the Gras conjecture relates the p-parts of the Galois eigenspaces of an ideal class group to the group of global units modulo cyclotomic units. It was proved by as a corollary of their work on the main conjecture of Iwasawa theory. later gave a simpler proof using Euler systems.