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Jeremy Rickard
  • Member for 9 years, 7 months
  • Last seen this week
  • Bristol, United Kingdom
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Algebraist at the University of Bristol.

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83
MathOverflow user jailed
Mar 18 '16
34
Disappearing "Hi!"
Nov 6 '15
16
How to deal with answers that should be comments by users with not enough reputation to comment?
Feb 18 '17
13
How can I avoid getting a bounty?
Dec 16 '14
8
Icon for citation helper
Mar 11 '20
8
I can't post comments on first generation iPad
Nov 27 '15
7
Two copies of a question
Oct 23 '18
5
Derivative of reputation score over time is identically zero
Jul 14 '18
3
Disappearing "Hi!"
Nov 7 '15
1
New feature - citation helper
Mar 10 '20
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71
$A$ is isomorphic to $A \oplus \mathbb{Z}^2$, but not to $A \oplus \mathbb{Z}$
55
Are there any nontrivial abelian categories with only finitely many objects?
48
Example of an unnatural isomorphism
45
Is it consistent with ZF that $V \to V^{\ast \ast}$ is always an isomorphism?
44
Do vector spaces without choice satisfy Cantor-Schroeder-Bernstein?

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