List questions from category-theory

Published on 10 Apr 2026 - 17:20

147

Views

$\mathrm{Hom}(\lim_IA_i,B)=\mathrm{colim}_I(\mathrm{Hom}(A_i,B))$?

Published on 16 Apr 2026 - 6:40

374

Views

Can a nonzero module be cocompact?

Published on 12 Apr 2026 - 3:03

3.3k

Views

how to prove that pullback preserves monomorphisms?

Published on 10 Apr 2026 - 17:33

221

Views

Confusion about internal and external in a topos

Published on 11 Apr 2026 - 17:06

303

Views

Prove that $f$ is monomorphism

Published on 13 Apr 2026 - 18:15

42

Views

Functors among different categories on the same class of objects - is there such research?

Published on 11 Apr 2026 - 11:16

221

Views

Categorical proof of a property of direct limits of abelian groups

Published on 11 Apr 2026 - 15:02

43

Views

Functor $R^2 \otimes -$ for a ring $R$ is left-exact?

Published on 16 Apr 2026 - 9:17

245

Views

Sanity check - localizations are pushouts and they are pushout stable

Published on 14 Apr 2026 - 9:47

356

Views

Uniqueness of abelianization

Published on 14 Apr 2026 - 9:01

798

Views

Presentation of the abelianization of $G$.

Published on 16 Apr 2026 - 14:17

56

Views

Extending a product in a category

Published on 13 Apr 2026 - 21:25

147

Views

Proving that pullbacks preserve equivalence between monomorphisms?

Published on 12 Apr 2026 - 2:51

118

Views

(Correct?) notation for emphasizing an internal interpretation of a sentence

Published on 14 Apr 2026 - 11:26

List Question

Understand representations of c*-algebras from a categorical point of view

$\mathrm{Hom}(\lim_IA_i,B)=\mathrm{colim}_I(\mathrm{Hom}(A_i,B))$?

Can a nonzero module be cocompact?

how to prove that pullback preserves monomorphisms?

Confusion about internal and external in a topos

Prove that $f$ is monomorphism

Functors among different categories on the same class of objects - is there such research?

Categorical proof of a property of direct limits of abelian groups

Functor $R^2 \otimes -$ for a ring $R$ is left-exact?

Sanity check - localizations are pushouts and they are pushout stable

Uniqueness of abelianization

Presentation of the abelianization of $G$.

Extending a product in a category

Proving that pullbacks preserve equivalence between monomorphisms?

(Correct?) notation for emphasizing an internal interpretation of a sentence

Trending Questions

Popular # Hahtags

Popular Questions