Question

Is a disjoint union locally a cartesian product?

score 788 · Answer 1 · 2026-05-07 19:40:41

788

Views

Is a disjoint union locally a cartesian product?

Published on 07 May 2026 - 19:40

score 259 · Answer 2 · 2026-04-10 16:41:52

259

Views

Cofree construction, thought process

Published on 10 Apr 2026 - 16:41

score 116 · Answer 3 · 2026-04-29 12:28:58

116

Views

What is the monomorphism that forms the homology group?

Published on 29 Apr 2026 - 12:28

score 67 · Answer 4 · 2026-05-04 23:50:16

67

Views

Where there exists a unique arrow from $n: L \to K$ as a UMP can we reverse $n$?

Published on 04 May 2026 - 23:50

score 362 · Answer 5 · 2026-05-02 18:44:19

362

Views

Is the forgetful functor from $\mathbf{Poset}$ to $\mathbf{Set}$ represented by the object 2?

Published on 02 May 2026 - 18:44

score 45 · Answer 6 · 2026-05-03 08:49:10

45

Views

Separating coproducts by its index set

Published on 03 May 2026 - 8:49

score 67 · Answer 7 · 2026-04-29 12:05:58

67

Views

Preservation of coproducts by coproducts

Published on 29 Apr 2026 - 12:05

score 139 · Answer 8 · 2026-04-29 12:05:58

139

Views

Categorification of commutative sum

Published on 29 Apr 2026 - 12:05

score 1k · Answer 9 · 2026-04-29 12:50:00

1k

Views

What is a common notation for set of functions from X to Y?

Published on 29 Apr 2026 - 12:50

score 86 · Answer 10 · 2026-04-12 02:41:36

86

Views

Identification of vector spaces via a choice of basis and naturality

Published on 12 Apr 2026 - 2:41

score 305 · Answer 11 · 2026-05-03 08:52:57

305

Views

Can We understand Vector Bundles as pushouts?

Published on 03 May 2026 - 8:52

score 225 · Answer 12 · 2026-04-12 09:00:45

225

Views

Show that the graph $\Gamma(f)$ of a function defines a functor from $\mathbf{Set}$ to $\mathbf{Rel}$

Published on 12 Apr 2026 - 9:00

score 972 · Answer 13 · 2026-05-04 08:25:49

972

Views

Pullbacks and pushouts with surjective functions and quotient sets?

Published on 04 May 2026 - 8:25

score 85 · Answer 14 · 2026-04-29 12:44:07

85

Views

Problem understanding the components of this natural transformation.

Published on 29 Apr 2026 - 12:44

score 37 · Answer 15 · 2026-04-14 20:43:39

37

Views

reference request: Noetherianness generalization with non-monic arrows

Published on 14 Apr 2026 - 20:43

List Question

Is a disjoint union locally a cartesian product?

Cofree construction, thought process

What is the monomorphism that forms the homology group?

Where there exists a unique arrow from $n: L \to K$ as a UMP can we reverse $n$?

Is the forgetful functor from $\mathbf{Poset}$ to $\mathbf{Set}$ represented by the object 2?

Separating coproducts by its index set

Preservation of coproducts by coproducts

Categorification of commutative sum

What is a common notation for set of functions from X to Y?

Identification of vector spaces via a choice of basis and naturality

Can We understand Vector Bundles as pushouts?

Show that the graph $\Gamma(f)$ of a function defines a functor from $\mathbf{Set}$ to $\mathbf{Rel}$

Pullbacks and pushouts with surjective functions and quotient sets?

Problem understanding the components of this natural transformation.

reference request: Noetherianness generalization with non-monic arrows

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