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15
56
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on the topology of the topological completion

Published on
#topological-groups #formal-completions
117
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Is $\widehat{IM}=\widehat I \widehat M$ for any finitely generated module $M$, where $\widehat {(-)}$ denotes completion w.r.t. maximal ideal?

Published on
#commutative-algebra #modules #noetherian #local-rings #formal-completions
310
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Completion (as a module) of the integral closure of a Cohen-Macaulay local ring whose completion is reduced

Published on
#commutative-algebra #tensor-products #cohen-macaulay #formal-completions #regular-rings
142
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Basis of a completion of a vector space

Published on
#general-topology #functional-analysis #commutative-algebra #hamel-basis #formal-completions
321
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Profinite completion of the $p$-adic integers $\mathbb Z_p$

Published on
#abstract-algebra #p-adic-number-theory #profinite-groups #formal-completions
86
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Projective limits and completions

Published on
#abstract-algebra #solution-verification #limits-colimits #formal-completions
35
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An explicit description of topology over completion of topological groups

Published on
#general-topology #formal-completions
113
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Application of Hensel's lemma to $\mathbb{Z}_3[[j]]$

Published on
#number-theory #commutative-algebra #hensels-lemma #formal-completions
90
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Is $ \widehat L(α)$ is $ \widehat {L(α)}$ ? (^ means completion)

Published on
#field-theory #algebraic-number-theory #p-adic-number-theory #formal-completions
131
Views

A Question on Flatness of Complete Local Rings

Published on
#commutative-algebra #flatness #formal-completions
132
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Completion of the stalk of a flat scheme over a complete local Noetherian ring

Published on
#algebraic-geometry #commutative-algebra #schemes #noetherian #formal-completions
133
Views

What is completion of $ \Bbb{Q}( \sqrt{-1})$ at prime ideal $(3)$?

Published on
#number-theory #field-theory #algebraic-number-theory #formal-completions
51
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p-adic completion of ring only only depends on the mod $p$ reduction

Published on
#abstract-algebra #ring-theory #commutative-algebra #formal-completions
53
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Formal completion of a scalar extension

Published on
#extension-field #tensor-products #laurent-series #localization #formal-completions
27
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Is there a plane in which every three points have an orthocenter?

Published on
#euclidean-geometry #projective-geometry #formal-completions

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