Mathematics
Pavel Čoupek's user avatar
Pavel Čoupek's user avatar
Pavel Čoupek's user avatar
Pavel Čoupek
  • Member for 10 years, 5 months
  • Last seen more than 1 year ago
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165
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35
questions
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195
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85
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42
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56
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81
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33
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16
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33
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16
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62
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56
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Top posts
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All Questions Answers
Score Newest
question
24
Deck transformations of universal cover are isomorphic to the fundamental group - explicitly
Sep 22, 2015
question
20
Is there a group which has precisely all finite groups as subgroups?
Oct 29, 2014
answer
16
$\mathbb{Z}$ is Noetherian but not Artinian
Nov 6, 2016
question
13
Projective closure of an algebraic curve as a compactification of Riemann surface
Feb 2, 2014
answer
13
Double Complex Where $\mathrm{Tot}^\prod$ is Acyclic but $\mathrm{Tot}^\oplus$ is not
Apr 24, 2020
question
12
Is there an interpretation of higher cohomology groups in terms of group extensions?
Nov 11, 2014
answer
10
Do these facts about $\mathbb{Q}/\mathbb{Z}$ generalize to more general cases?
May 6, 2014
answer
10
Algebraic vs. Integral Closure of a Ring
Apr 18, 2014
question
8
Construction(s) of new integral domains from "old ones"
Jun 22, 2013
question
8
Is there a "unifying framework" for harmonic analysis?
Dec 15, 2014
Top network posts
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16
Counterexamples in algebra?
12
A DVR algebra with weird automorphisms
11
Subrings of Jacobson rings
9
Generalization of Weak Nullstellensatz?
8
Surjectivity of a map on inverse limits

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