List questions from limits-colimits

Published on 01 Sep 2021 - 21:40

402

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The stalk as a colimit

Published on 03 Sep 2021 - 0:39

105

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Is the $\mathrm{Ind}$-category of groups equivalent to the category of group objects of $\mathrm{Ind}(\mathbf{Set})$?

Published on 09 Sep 2021 - 16:21

27

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Doubt about the proof of a property of compact subspaces of a union set with the union topology

Published on 12 Sep 2021 - 11:40

144

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Why $F : A \to B$ final is equivalent to $F_! : \hat{A} \to \hat{B} \dashv F^*$ preserving terminal objects?

Published on 23 Feb 2026 - 6:40

153

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Computing colimit of $\bullet \rightarrow \bullet$ in Set?

Published on 20 Sep 2021 - 23:38

101

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Lemma 10.94 from Goertz' and Wedhorn's Algebraic Geometry I

Published on 25 Sep 2021 - 22:25

96

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Index of Directed Union of Groups

Published on 27 Mar 2026 - 3:40

149

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Inverse limit of a bi-inverse system and limit of the "diagonal" inverse system.

Published on 07 Oct 2021 - 3:18

190

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Direct limit of $\mathrm{Hom}$

Published on 11 Oct 2021 - 6:49

301

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Doubt about the colimit of a sequence of topological spaces

Published on 14 Oct 2021 - 18:04

56

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Do ample sheaves descend along limits / noetherian approximation?

Published on 28 Mar 2026 - 20:51

77

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Equivalent definitions of weighted limits

Published on 25 Mar 2026 - 20:35

200

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Limits/Colimits as representing objects and size of functor category

Published on 29 Mar 2026 - 0:05

129

Views

Why is the limit the product, but not the coproduct?

Published on 22 Nov 2021 - 1:44

List Question

Definition of Colimit

The stalk as a colimit

Is the $\mathrm{Ind}$-category of groups equivalent to the category of group objects of $\mathrm{Ind}(\mathbf{Set})$?

Doubt about the proof of a property of compact subspaces of a union set with the union topology

Why $F : A \to B$ final is equivalent to $F_! : \hat{A} \to \hat{B} \dashv F^*$ preserving terminal objects?

Computing colimit of $\bullet \rightarrow \bullet$ in Set?

Lemma 10.94 from Goertz' and Wedhorn's Algebraic Geometry I

Index of Directed Union of Groups

Inverse limit of a bi-inverse system and limit of the "diagonal" inverse system.

Direct limit of $\mathrm{Hom}$

Doubt about the colimit of a sequence of topological spaces

Do ample sheaves descend along limits / noetherian approximation?

Equivalent definitions of weighted limits

Limits/Colimits as representing objects and size of functor category

Why is the limit the product, but not the coproduct?

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