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15
Math.TechQA.Club
2026-04-09 14:42:12
408
Views
Two definitions of homology
Published on
09 Apr 2026 - 14:42
#category-theory
#homological-algebra
#abelian-categories
164
Views
Ways to formalise $\text{Ring}\approx \text{Group}\times \text{Monoid}$.
Published on
17 Jun 2014 - 6:45
#category-theory
1.6k
Views
What Is The Product Functor
Published on
17 Jun 2014 - 10:13
#category-theory
1.4k
Views
Pullback in morphism of exact sequences
Published on
06 Apr 2026 - 1:38
#abstract-algebra
#category-theory
#modules
130
Views
Name for a property in a brutally elementary presentation of a monad
Published on
18 Jun 2014 - 18:21
#category-theory
#terminology
1k
Views
What is meant by a "structure map"?
Published on
08 Apr 2026 - 21:30
#category-theory
#terminology
703
Views
Uniqueness of Initial Object, or why must a morphism from an object to itself be the identity?
Published on
19 Jun 2014 - 1:53
#abstract-algebra
#category-theory
#proof-explanation
174
Views
Can I take Inverse Limits as Cauchy sequences literally?
Published on
09 Apr 2026 - 13:03
#category-theory
#metric-spaces
#cauchy-sequences
2k
Views
Difference between being faithful and being injective on arrows
Published on
08 Apr 2026 - 18:57
#category-theory
#definition
#examples-counterexamples
52
Views
A question regarding interpreting the statement "the operation $A\amalg B$ is well-defined up to isomorphism"
Published on
08 Apr 2026 - 21:41
#elementary-set-theory
#category-theory
136
Views
Characterizing the real numbers as a dense complete monoidal poset
Published on
25 Mar 2026 - 17:37
#abstract-algebra
#category-theory
#order-theory
#lattice-orders
#monoid
5.7k
Views
Category-theoretic description of the real numbers
Published on
28 Mar 2026 - 10:04
#soft-question
#category-theory
#real-numbers
#infinitesimals
328
Views
Categorical proof of the existence of the real numbers
Published on
19 Jun 2014 - 19:22
#category-theory
#real-numbers
1.2k
Views
Functor that preserves zero object
Published on
19 Jun 2014 - 20:50
#category-theory
174
Views
Adjoint situation induced on presheaves
Published on
20 Jun 2014 - 1:52
#category-theory
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