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Is the induced map in the following diagram a regular epimorphism?

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#category-theory #diagram-chasing
164
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A question about the functoriality of the module of derivations on the category of algebras

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#commutative-algebra #differential-forms #diagram-chasing
177
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Proving a diagram chase result from standard lemmas

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#homological-algebra #exact-sequence #diagram-chasing
194
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Snake lemma for $R$-modules. Help with $\ker$ maps, not connecting hom.

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#category-theory #modules #homological-algebra #diagram-chasing
722
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How would one solve Weibel 1.3.1 in a general Abelian category?

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#proof-verification #category-theory #homological-algebra #alternative-proof #diagram-chasing
722
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Category theorists: would you use a software tool for diagramming / chasing?

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#soft-question #category-theory #math-software #diagram-chasing
214
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Why is this universal map in a proof of the co-Yoneda lemma actually natural?

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#category-theory #limits-colimits #diagram-chasing #yoneda-lemma
72
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Vertical and top arrows??

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#category-theory #morphism #diagram-chasing
894
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Why pasting a finite number of commutative diagrams is commutative

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#category-theory #diagram-chasing
233
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Adjoint functors, inclusion functor, reflective subcategory

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#category-theory #adjoint-functors #diagram-chasing #exceptional-isomorphisms
1k
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Diagrams in category theory: formalizing a concept in diagram-chasing

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#category-theory #diagram-chasing
166
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Commutative hexagonal diagram of Abelian groups; proving a certain equality

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#abstract-algebra #homological-algebra #abelian-groups #exact-sequence #diagram-chasing
501
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Adjunctions and isomorphism.

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#category-theory #diagram-chasing
220
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Condition for pullback to split

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#abstract-algebra #group-theory #category-theory #exact-sequence #diagram-chasing
73
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Can composition of morphisms in a category be carried out on any subgraph of a commutative diagram, in-place?

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#category-theory #math-software #function-and-relation-composition #natural-deduction #diagram-chasing

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