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Results tagged with ac.commutative-algebra
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user 21374
Commutative rings, modules, ideals, homological algebra, computational aspects, invariant theory, connections to algebraic geometry and combinatorics.
5
votes
Ghost components of a Witt vector - Motivation
I might probably add some hint to the above motivations. I'm trying to provide some relations, using the exponential map on power series, that allow to see the definition of the ghost map as natural.
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- 323
6
votes
1
answer
669
views
permutation of projective limits with inductive limits
Hi everybody,
I have a lack of references concerning projective limits and injective limits. Up to my faults in Bourbaki there are only proj and inj limits indexed by a partially ordered set (not a c …