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Matthias Künzer

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11 Answers

Votes Activity Newest
15
Why not define triangulated categories using a mapping cone functor?
Mar 9 '11 at 9:59
12
Awfully sophisticated proof for simple facts
Oct 13 '11 at 6:42
10
Classifying triangulated structures on a graded category
Sep 18 '10 at 20:45
5
German mathematical terms like “Nullstellensatz”
Apr 20 '11 at 6:08
5
Is there any generalization of the Dold-Kan correspondence?
Sep 17 '10 at 12:30
4
Spectral sequences: opening the black box slowly with an example
Dec 15 '10 at 10:14
4
Natural examples of sequences of adjoint functors
Nov 28 '10 at 22:01
4
Can one extend a morphism of commutative triangles to a morphism of octahedral diagrams?
Sep 17 '10 at 10:29
3
Number of Subgroups of p-Groups
Sep 9 '11 at 15:07
2
$\pi_n(f)=0$ implies $f\simeq \ast$? $H_n(f)=0$ implies $f\simeq \ast$?
Mar 23 '11 at 8:20
1
If a colimit of distinguished triangles exists, is it also a distinguished triangle?
Sep 17 '10 at 11:05
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