Question

Are functors (from small categories) functions?

score 502 · Answer 1 · 2026-04-13 06:01:33

502

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Are functors (from small categories) functions?

Published on 13 Apr 2026 - 6:01

score 144 · Answer 2 · 2026-04-13 17:58:49

144

Views

Question about generators and Hom functor

Published on 13 Apr 2026 - 17:58

score 915 · Answer 3 · 2026-04-13 04:05:52

915

Views

Initial object is limit of identity functor: converse

Published on 13 Apr 2026 - 4:05

score 549 · Answer 4 · 2026-04-16 05:48:53

549

Views

For which category (if any) are Lie algebras the algebras of a monad?

Published on 16 Apr 2026 - 5:48

score 53 · Answer 5 · 2026-04-15 11:21:44

53

Views

Simple question regarding the monad whose algebras are the category of sets

Published on 15 Apr 2026 - 11:21

score 739 · Answer 6 · 2026-04-15 23:00:04

739

Views

Why not use the Cartesian product for the monoidal category of modules? Why use the tensor product?

Published on 15 Apr 2026 - 23:00

score 197 · Answer 7 · 2026-04-16 16:09:18

197

Views

Day convolution on the category of copresheaves on the opposite of a monoidal closed category

Published on 16 Apr 2026 - 16:09

score 371 · Answer 8 · 2026-04-15 14:18:54

371

Views

Grothendieck ring of varieties

Published on 15 Apr 2026 - 14:18

score 236 · Answer 9 · 2026-04-11 22:58:11

236

Views

Morphisms as zigzags, composition as concatenation

Published on 11 Apr 2026 - 22:58

score 98 · Answer 10 · 2026-03-25 03:03:43

98

Views

Do the effective descent morphisms w.r.t the codomain fibration hint at the "right topology"?

Published on 25 Mar 2026 - 3:03

score 157 · Answer 11 · 2026-04-15 23:48:32

157

Views

Let $\mathcal{A}$ be an Abelian category (as defined in Stacks), then all monomorphisms are kernels.

Published on 15 Apr 2026 - 23:48

score 363 · Answer 12 · 2026-04-10 22:29:34

363

Views

What does "is natural in $A$" mean in this context?

Published on 10 Apr 2026 - 22:29

score 72 · Answer 13 · 2026-04-15 17:44:44

72

Views

equivalence of categories between modules and vector space

Published on 15 Apr 2026 - 17:44

score 48 · Answer 14 · 2026-04-12 22:46:28

48

Views

relationships of topological and C* concepts in noncommutative topology

Published on 12 Apr 2026 - 22:46

score 196 · Answer 15 · 2026-04-14 13:01:58

196

Views

Exhibit a chain of adjoints passing through the diagonal

Published on 14 Apr 2026 - 13:01

List Question

Are functors (from small categories) functions?

Question about generators and Hom functor

Initial object is limit of identity functor: converse

For which category (if any) are Lie algebras the algebras of a monad?

Simple question regarding the monad whose algebras are the category of sets

Why not use the Cartesian product for the monoidal category of modules? Why use the tensor product?

Day convolution on the category of copresheaves on the opposite of a monoidal closed category

Grothendieck ring of varieties

Morphisms as zigzags, composition as concatenation

Do the effective descent morphisms w.r.t the codomain fibration hint at the "right topology"?

Let $\mathcal{A}$ be an Abelian category (as defined in Stacks), then all monomorphisms are kernels.

What does "is natural in $A$" mean in this context?

equivalence of categories between modules and vector space

relationships of topological and C* concepts in noncommutative topology

Exhibit a chain of adjoints passing through the diagonal

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