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15
Math.TechQA.Club
2026-04-09 23:36:42
302
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Are there natural isomorphisms of Grassmannian and Stiefel manifolds with their "duals"?
Published on
09 Apr 2026 - 23:36
#linear-algebra
#reference-request
#category-theory
77
Views
Contravariant functoriality of exponentials
Published on
11 Apr 2026 - 7:56
#elementary-set-theory
#category-theory
623
Views
Stone–Čech compactification as a functor.
Published on
11 Apr 2026 - 1:33
#general-topology
#category-theory
47
Views
Bimodules and Tesnors in TQFT
Published on
10 May 2026 - 17:13
#category-theory
#modules
#tensor-products
#cobordism
1.4k
Views
Topos theory and higher-order logic
Published on
11 May 2026 - 1:41
#category-theory
#topos-theory
#type-theory
#higher-order-logic
273
Views
Is the inverse limit always an equalizer?
Published on
13 Apr 2026 - 4:17
#category-theory
#sheaf-theory
#limits-colimits
96
Views
To what extent are final coalgebras simply a conceptual tool? (In light of a theory with initial algebras)
Published on
11 May 2026 - 1:53
#reference-request
#category-theory
#type-theory
#coalgebras
250
Views
Why a group $G$ can form a 2-category?
Published on
31 Mar 2026 - 1:05
#group-theory
#category-theory
#higher-category-theory
315
Views
2-Category of Algebras
Published on
17 Apr 2026 - 2:04
#category-theory
#modules
#mathematical-physics
192
Views
The equalizer of the projections is the diagonal map
Published on
13 Apr 2026 - 12:56
#category-theory
284
Views
Vector space dimension theorem compared to group subsets product formula
Published on
15 Apr 2026 - 2:59
#vector-spaces
#finite-groups
#category-theory
#universal-algebra
552
Views
Prove forgetful functor U: Monoid -> Set has a left adjoint.
Published on
17 Apr 2026 - 11:53
#category-theory
#adjoint-functors
79
Views
Proving an equivalence
Published on
15 Apr 2026 - 7:59
#category-theory
87
Views
How to compute localizations of categories?
Published on
11 Apr 2026 - 17:18
#category-theory
#localization
165
Views
Image factorisations in abelian categories
Published on
16 Apr 2026 - 20:26
#category-theory
#abelian-categories
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