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Matthias Künzer
  • Member for 11 years, 4 months
  • Last seen more than 1 year ago
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28
Why do Lie algebras pop up, from a categorical point of view?
Jul 25 '14
20
Examples of Brown (co)fibration categories that are not Quillen model categories?
Apr 20 '11
18
Group rings isomorphic over $\mathbf{F}_p$, but not over $\mathbf{Z}_p$?
Aug 17 '12
17
Awfully sophisticated proof for simple facts
Oct 13 '11
15
Why not define triangulated categories using a mapping cone functor?
Mar 9 '11
11
Classifying triangulated structures on a graded category
Sep 18 '10
9
Heller operator without left adjoint?
Jun 9 '11
7
The residue class functor from a Frobenius category to its stable category induces a functor on cube-shaped diagrams - is it dense?
Sep 20 '10
7
Stabilisation of crossed modules?
Nov 12 '20
7
Vectors with minimal Hamming weight in a rational vector space?
Dec 23 '20

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