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15
Math.TechQA.Club
2026-04-10 22:42:10
83
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Does the unitization of a Banach algebra satisfy some universal property?
Published on
10 Apr 2026 - 22:42
#abstract-algebra
#category-theory
#definition
#banach-algebras
127
Views
Why Kernels are special case of equalizers in $\textbf{Grp}$?
Published on
13 Apr 2026 - 16:26
#category-theory
140
Views
Meaning of the category of sets
Published on
17 Apr 2026 - 13:32
#category-theory
#terminology
85
Views
Condition for partial maps being representable
Published on
10 Apr 2026 - 1:12
#category-theory
#topos-theory
174
Views
Inverse limit of cohomology of direct system of topological spaces induces an isomorphism in cohomology?
Published on
13 Apr 2026 - 19:12
#algebraic-topology
#category-theory
2.5k
Views
Approaching Type theory and Category Theory as a starting point in the study of mathematics?
Published on
14 Apr 2026 - 15:15
#reference-request
#category-theory
#type-theory
#homotopy-type-theory
139
Views
Properties of Yoneda embedding for abelian categories
Published on
11 Apr 2026 - 3:48
#category-theory
#abelian-categories
157
Views
Cohomology and axiom of choice
Published on
11 Apr 2026 - 22:49
#category-theory
#homology-cohomology
#axiom-of-choice
35
Views
How is this an isomorphism functorially in $F$?
Published on
14 Apr 2026 - 13:10
#category-theory
#sheaf-theory
#sheaf-cohomology
178
Views
Do we need the product type in simply typed lambda calculus for proving that its type category is CCC?
Published on
16 Apr 2026 - 4:06
#category-theory
#lambda-calculus
76
Views
Example of non representable limits-preserving functor
Published on
10 May 2026 - 22:05
#category-theory
#limits-colimits
#adjoint-functors
#representable-functor
93
Views
Definition of "polynomial" in Lambek's 1980 paper "From λ-Calculus to Cartesian Closed Categories"
Published on
14 Apr 2026 - 17:31
#abstract-algebra
#logic
#category-theory
144
Views
Example of a finite category without pushouts or pullbacks
Published on
22 Apr 2026 - 12:54
#algebraic-topology
#category-theory
#pullback
#pushforward
46
Views
Characterization of equivalence of multicategories
Published on
10 May 2026 - 10:08
#reference-request
#category-theory
#equivalence-of-categories
98
Views
Kernels in additive categories
Published on
14 Apr 2026 - 3:05
#category-theory
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