List questions from epimorphisms

Published on 16 Apr 2026 - 1:07

211

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Epimorphism from G to Z

Published on 12 Apr 2026 - 18:39

167

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Are epimorphisms in the category of magmas surjective?

Published on 14 Apr 2026 - 9:23

332

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In Set, why are projections not epic but injections are monic?

Published on 23 Apr 2026 - 1:46

154

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Group epimorphism between finite groups

Published on 22 Apr 2026 - 23:51

293

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Proving the inclusion map of an integral domain into its quotient field is an epimorphism

Published on 18 Apr 2026 - 23:04

1.2k

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If $R$ is a PID, $S$ an integral domain and $f: R \to S$ is an epimorphism, why is it that either $f$ is an isomorphism or $S$ is a field?

Published on 02 Apr 2020 - 3:04

238

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$R$ is a commutative ring with $1$, prove that there exist epimorphism from $R[x]$ onto $R$.

Published on 25 Mar 2026 - 6:05

506

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Monomorphisms and epimorphisms in the category of chain complexes

Published on 25 Apr 2026 - 20:08

71

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Fibrations are thought of as epimorphisms

Published on 25 Mar 2026 - 4:39

180

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Monoidal adjunction whose right-adjoint functor has structure morphisms which are epimorphisms

Published on 25 Mar 2026 - 5:59

37

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One of a math problems

Published on 10 Apr 2026 - 7:48

66

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Function-like monos and epis

Published on 27 Mar 2026 - 5:59

31

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Epimorphism between unital algebras is unital

Published on 25 Mar 2026 - 16:02

1.7k

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A morphism of sheaves is an epimorphism if and only if it is surjective on the level of stalks

Published on 13 Apr 2026 - 12:47

List Question

split epimorphism,equalizer,universal property

Epimorphism from G to Z

Are epimorphisms in the category of magmas surjective?

In Set, why are projections not epic but injections are monic?

Group epimorphism between finite groups

Proving the inclusion map of an integral domain into its quotient field is an epimorphism

If $R$ is a PID, $S$ an integral domain and $f: R \to S$ is an epimorphism, why is it that either $f$ is an isomorphism or $S$ is a field?

$R$ is a commutative ring with $1$, prove that there exist epimorphism from $R[x]$ onto $R$.

Monomorphisms and epimorphisms in the category of chain complexes

Fibrations are thought of as epimorphisms

Monoidal adjunction whose right-adjoint functor has structure morphisms which are epimorphisms

One of a math problems

Function-like monos and epis

Epimorphism between unital algebras is unital

A morphism of sheaves is an epimorphism if and only if it is surjective on the level of stalks

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