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15
Math.TechQA.Club
2026-03-26 04:32:54
355
Views
Existence of Projective Cover
Published on
26 Mar 2026 - 4:32
#abstract-algebra
#category-theory
#modules
#projective-module
#injective-module
51
Views
Why epis are surjective in $\Sigma$-Str
Published on
10 Apr 2026 - 16:07
#category-theory
#model-theory
118
Views
Verify that the followings are indeed functors
Published on
16 Apr 2026 - 16:39
#category-theory
#solution-verification
69
Views
Can we categorify W-Z pairs?
Published on
27 Mar 2026 - 10:46
#combinatorics
#category-theory
#combinatorial-species
54
Views
Terminology for the restriction of the product of two morphisms to its image
Published on
16 Apr 2026 - 1:14
#category-theory
#terminology
109
Views
Theorem 3.40 of Rotman's Homological Algebra
Published on
12 Apr 2026 - 7:36
#abstract-algebra
#category-theory
#proof-explanation
#homological-algebra
81
Views
Are all the kernel of a r-module isomorphic?
Published on
12 Apr 2026 - 5:28
#category-theory
#homological-algebra
66
Views
Limits via universal arrows and functor categories
Published on
25 Mar 2026 - 7:34
#category-theory
#limits-colimits
#adjoint-functors
#functors
#diagram-chasing
130
Views
Understanding proof of Theorem 1.2.3 of Weibel
Published on
11 Apr 2026 - 15:59
#category-theory
#homological-algebra
#abelian-categories
297
Views
tensor product in a k-linear category
Published on
17 Apr 2026 - 0:50
#category-theory
#homological-algebra
#noncommutative-geometry
#triangulated-categories
152
Views
Comma category: completeness
Published on
25 Apr 2026 - 11:23
#category-theory
#limits-colimits
114
Views
Layman Intuition of Adjunctions (Category Theory)
Published on
24 Apr 2026 - 11:21
#category-theory
#self-learning
#adjoint-functors
632
Views
Various examples of non-representable functors
Published on
25 Mar 2026 - 12:20
#category-theory
#examples-counterexamples
#natural-transformations
68
Views
The same as the category of commutative monoids.
Published on
17 Apr 2026 - 6:37
#category-theory
120
Views
Category containing its own morphisms as objects
Published on
16 Apr 2026 - 22:33
#category-theory
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