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Fred Rohrer
  • Member for 11 years, 6 months
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All Questions Answers
Score Newest
answer
26
What is the dimension of the product ring $\prod \mathbb Z/2^n\mathbb Z$ ?
Mar 12, 2012
answer
26
Abelian category equivalent to a non-abelian category
Mar 26, 2020
answer
23
Blackbox Theorems
Jun 14, 2012
answer
18
Notation for "the" left adjoint functor
Feb 1, 2020
answer
15
Most intriguing mathematical epigraphs
Sep 29, 2015
question
15
injectivity of torsion submodules of injectives
Nov 23, 2010
answer
14
What's the notation for a function restricted to a subset of the codomain?
May 24, 2011
answer
14
Why did Bourbaki's Élements omit the theory of categories?
May 24, 2013
answer
13
Pages from a known textbook on Euclidean geometry?
Oct 17, 2018
answer
11
How do we formally construct the successor universe $\mathscr{U}^+$ of a universe $\mathscr{U}$ in $\mathsf{ZFC}$?
Nov 18, 2018
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6
Is the trivial ring regular?

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