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15
Math.TechQA.Club
2026-04-29 12:29:11
69
Views
Injective objects in a category
Published on
29 Apr 2026 - 12:29
#category-theory
#homology-cohomology
#homological-algebra
#abelian-categories
168
Views
Is there something like coproduct categories
Published on
29 Apr 2026 - 12:26
#category-theory
#products
257
Views
Is there a common phrase for the category "freely generated" by some arrows?
Published on
15 Apr 2026 - 15:06
#category-theory
#notation
#terminology
187
Views
Description of the 2-monads for (strict) monoidal categories
Published on
01 May 2026 - 3:07
#reference-request
#category-theory
#monads
#2-categories
117
Views
What's the Category Theoretic Treatment of Induction?
Published on
16 Apr 2026 - 7:49
#category-theory
#induction
820
Views
Finding the limit of a diagram
Published on
10 Apr 2026 - 19:16
#category-theory
85
Views
What is the explicit definition of this phrase in this theorem?
Published on
02 May 2026 - 5:05
#category-theory
#definition
65
Views
Need an example of a category whose products are indexed by these sets.
Published on
29 Apr 2026 - 12:54
#category-theory
#examples-counterexamples
118
Views
Group and identity element?
Published on
02 May 2026 - 5:07
#abstract-algebra
#category-theory
#definition
97
Views
Product/coproduct properties: If $N_1\simeq N_2$ in some category, then $N_1\times N_3\simeq N_2\times N_3$?
Published on
05 May 2026 - 2:08
#category-theory
#modules
#direct-sum
54
Views
Why are there different unequal limits for this functor?
Published on
13 Apr 2026 - 22:46
#category-theory
#proof-explanation
69
Views
Why does this case lead to a contradiction?
Published on
12 Apr 2026 - 9:09
#category-theory
#proof-explanation
80
Views
What is the common left inverse of these parallel arrows?
Published on
16 Apr 2026 - 13:24
#category-theory
#proof-explanation
1.2k
Views
What is the left adjoint to forgetful functor from Mod(R) to Ab
Published on
03 May 2026 - 17:37
#category-theory
#adjoint-functors
451
Views
Does the left adjoint to the forgetful functor have another left adjoint?
Published on
04 May 2026 - 4:07
#category-theory
#adjoint-functors
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