Question

Do quasi-coherent sheaves form a reflective subcategory?

score 62 · Answer 1 · 2026-04-24 08:10:03

62

Views

Do quasi-coherent sheaves form a reflective subcategory?

Published on 24 Apr 2026 - 8:10

score 95 · Answer 2 · 2026-04-11 01:12:05

95

Views

Inclusion functor reflects isomorphisms

Published on 11 Apr 2026 - 1:12

score 46 · Answer 3 · 2026-05-10 15:47:55

46

Views

Is an epimorphism fibered in contractible kan complexes an acyclic kan fibration?

Published on 10 May 2026 - 15:47

score 98 · Answer 4 · 2026-04-15 18:03:56

98

Views

The category of relational structures

Published on 15 Apr 2026 - 18:03

score 61 · Answer 5 · 2026-04-13 17:12:11

61

Views

The categories and functors implied on this definition of tensor product

Published on 13 Apr 2026 - 17:12

score 55 · Answer 6 · 2026-04-14 05:58:25

55

Views

How to describe free objects $GA, GA'$ for non algebraic categories.

Published on 14 Apr 2026 - 5:58

score 40 · Answer 7 · 2026-05-11 21:29:59

40

Views

Monoidal categories are one-0-cell bicategories

Published on 11 May 2026 - 21:29

score 92 · Answer 8 · 2026-04-12 14:02:42

92

Views

Difference between $E(\overline{K})$ and $E$ for elliptic curve $E/K$

Published on 12 Apr 2026 - 14:02

score 71 · Answer 9 · 2026-05-13 19:53:38

71

Views

$(F,f)$ as a pair consider as an "initial object" in definition about "free object" for non algebraic categories.

Published on 13 May 2026 - 19:53

score 91 · Answer 10 · 2026-04-08 19:30:11

91

Views

Existence of epi/mono factorization: a difficult diagram chase

Published on 08 Apr 2026 - 19:30

score 80 · Answer 11 · 2026-04-13 00:51:11

80

Views

Corollary to Yoneda Lemma

Published on 13 Apr 2026 - 0:51

score 45 · Answer 12 · 2026-05-13 18:38:13

45

Views

Correct understanding for the notation $GA,GA'$ in definition of free objects for non algebraic categories if $G$ is a forgetful functor?

Published on 13 May 2026 - 18:38

score 189 · Answer 13 · 2026-04-10 07:31:40

189

Views

Another characterization of compactness

Published on 10 Apr 2026 - 7:31

score 84 · Answer 14 · 2026-04-15 09:58:53

84

Views

Examples of a pushout and non-pushout

Published on 15 Apr 2026 - 9:58

score 185 · Answer 15 · 2026-04-13 13:16:20

185

Views

Existence of a functor from Ring to Grp that sends a ring to its group of units

Published on 13 Apr 2026 - 13:16

List Question

Do quasi-coherent sheaves form a reflective subcategory?

Inclusion functor reflects isomorphisms

Is an epimorphism fibered in contractible kan complexes an acyclic kan fibration?

The category of relational structures

The categories and functors implied on this definition of tensor product

How to describe free objects $GA, GA'$ for non algebraic categories.

Monoidal categories are one-0-cell bicategories

Difference between $E(\overline{K})$ and $E$ for elliptic curve $E/K$

$(F,f)$ as a pair consider as an "initial object" in definition about "free object" for non algebraic categories.

Existence of epi/mono factorization: a difficult diagram chase

Corollary to Yoneda Lemma

Correct understanding for the notation $GA,GA'$ in definition of free objects for non algebraic categories if $G$ is a forgetful functor?

Another characterization of compactness

Examples of a pushout and non-pushout

Existence of a functor from Ring to Grp that sends a ring to its group of units

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