User Fred Rohrer - MathOverflow Meta

Fred Rohrer

Member for 11 years, 6 months
Last seen more than a month ago

fredrohrer.ch/math
Buchs SG, Switzerland

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26

What is the dimension of the product ring $\prod \mathbb Z/2^n\mathbb Z$ ?

18

Notation for "the" left adjoint functor

15

injectivity of torsion submodules of injectives

15

Most intriguing mathematical epigraphs

14

What's the notation for a function restricted to a subset of the codomain?