List questions from epimorphisms

Published on 24 Sep 2014 - 10:38

206

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Epimorphism from G to Z

Published on 15 Oct 2014 - 1:44

164

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Are epimorphisms in the category of magmas surjective?

Published on 23 Feb 2026 - 3:00

331

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

Published on 16 Dec 2019 - 4:19

150

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Group epimorphism between finite groups

Published on 22 Mar 2026 - 10:28

288

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

Published on 23 Mar 2026 - 10:04

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

237

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

Published on 02 Apr 2020 - 14:52

491

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Monomorphisms and epimorphisms in the category of chain complexes

Published on 18 Mar 2026 - 21:01

70

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Fibrations are thought of as epimorphisms

Published on 20 Apr 2020 - 18:53

179

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

Published on 26 May 2020 - 22:44

34

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One of a math problems

Published on 28 Jun 2020 - 9:16

64

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Function-like monos and epis

Published on 05 Jul 2020 - 14:33

30

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Epimorphism between unital algebras is unital

Published on 16 Jul 2020 - 3:41

1.7k

Views

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

Published on 16 Jan 2017 - 5:04

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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