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19992006
most citedA discrete form of the theorem that each field endomorphism of R (Q_p) is the identity

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math.CT2006

Subobjects of the successive power objects in the topos G-Set

Apoloniusz Tyszka

Let G be a group and let M be an object of the topos G-Set. We prove that an object X of the category G-Set is isomorphic to some subobject of one of the objects P(M), P(P(M)), P(P…