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15
Math.TechQA.Club
2026-04-29 12:51:16
1k
Views
Limits in functor categories can be computed pointwise
Published on
29 Apr 2026 - 12:51
#category-theory
#limits-colimits
107
Views
Investigating the structure of localisation when realised as a colimit
Published on
29 Apr 2026 - 12:51
#ring-theory
#category-theory
#limits-colimits
70
Views
Alternative Description Of The Isomorphism $[C_0,[C_1,\text{Set}]]\cong[C_1,[C_0,\text{Set}]]$
Published on
29 Apr 2026 - 12:43
#category-theory
#limits-colimits
#yoneda-lemma
185
Views
Existence of limits of set-valued functors gives me weird limits
Published on
29 Apr 2026 - 12:51
#category-theory
#limits-colimits
94
Views
How to write the prism as a colimit of simplices (in the category of simplicial sets)?
Published on
10 May 2026 - 13:51
#category-theory
#simplicial-stuff
#limits-colimits
289
Views
Stalk of the direct image of a locally free sheaf
Published on
10 May 2026 - 15:56
#proof-verification
#algebraic-geometry
#limits-colimits
#coherent-sheaves
89
Views
What does $S^2$ denote in category theory?
Published on
29 Apr 2026 - 12:50
#category-theory
#limits-colimits
619
Views
Vanishing of $\varprojlim^1$ on Mittag-Leffler sequences story.
Published on
10 May 2026 - 14:32
#category-theory
#abelian-categories
#limits-colimits
#derived-functors
103
Views
Why is $\lim: \operatorname{Fun}(I, C) \rightarrow C, \alpha \mapsto \lim(\alpha)$ a functor?
Published on
10 May 2026 - 16:13
#category-theory
#limits-colimits
#functors
319
Views
Locally finitely presented category
Published on
29 Apr 2026 - 12:51
#category-theory
#limits-colimits
#locally-presentable-categories
216
Views
Preservation of limits by representable functors
Published on
29 Apr 2026 - 12:46
#category-theory
#limits-colimits
#functors
#hom-functor
132
Views
There is a natural morphism $\lim\limits_{\longleftarrow} \beta \to \lim\limits_{\longleftarrow} \beta \circ \varphi^{op}$?
Published on
03 May 2026 - 8:53
#category-theory
#limits-colimits
#functors
#hom-functor
155
Views
The category $\mathsf{Stone}$ has cofiltered limits
Published on
15 Apr 2026 - 22:02
#general-topology
#category-theory
#limits-colimits
257
Views
Categories generated by a single object
Published on
29 Apr 2026 - 12:51
#category-theory
#limits-colimits
378
Views
Equalizer of reflexive pair
Published on
10 May 2026 - 16:53
#category-theory
#limits-colimits
#universal-property
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