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Mathematics
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Mugenen's user avatar
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Mugenen
  • Member for 7 years, 2 months
  • Last seen more than a month ago
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question
12
Every prime ideal of height 1 in a UFD is principal
Dec 3, 2017
question
6
Why is the plane minus the origin not an affine scheme?
Dec 16, 2019
question
4
Confusion about Axiom of Choice
Mar 12, 2018
question
3
Existence of $g$ whose conjugacy class is disjoint from a proper subgroup
Aug 23, 2017
question
3
The class of $a$ in $R/(b)$ is prime if and only if the class of $b$ in $R/(a)$ is prime
Nov 25, 2017
question
3
Prove that a UFD $R$ is a PID if every nonzero prime ideal in $R$ is maximal.
Dec 6, 2017
question
3
Flat and faithful (as functor) implies faithfully flat
Sep 29, 2021
question
3
Which 2-chain has this 1-chain as boundary?
Oct 22, 2020
question
3
If a group (or module) admits a finite composition series,is it possible that it has normal series (submodule series) of arbitrary length?
Mar 6, 2018
question
3
In what a sense we we can understand a geometric space well by understanding the functions on this space?
Nov 13, 2019
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5
Exactness of a term after taking Pontryagin dual: a step in the proof of Poitou-Tate duality