Question

Formula of morphism $\pi $ to general element $K[x]/(m)$

score 47 · Answer 1 · 2026-03-23 04:04:39

47

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Formula of morphism $\pi $ to general element $K[x]/(m)$

Published on 23 Mar 2026 - 4:04

score 46 · Answer 2 · 2018-04-16 16:43:29

46

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Proving $L(R,R) \otimes L(R,R) \cong L(R \otimes R , R \otimes R)$.

Published on 16 Apr 2018 - 16:43

score 45 · Answer 3 · 2018-04-17 17:59:54

45

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Largest ring over which a particular abelian group becomes a module

Published on 17 Apr 2018 - 17:59

score 922 · Answer 4 · 2018-04-17 18:46:04

922

Views

All homomorphisms from $\mathbb{Q}$ to $\mathbb{Q}$ are isomorphisms

Published on 17 Apr 2018 - 18:46

score 40 · Answer 5 · 2018-04-20 03:53:20

40

Views

Let $K \prec F$ and $\tau : F \rightarrow$ is a homomorphism where $\tau(u) = u \forall u\in K$ then $\tau \in \text{Gal}_K F$

Published on 20 Apr 2018 - 3:53

score 156 · Answer 6 · 2018-04-20 19:51:20

156

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Why is there no subring of the integers modulo 29 isomorphic to the integers modulo 8?

Published on 20 Apr 2018 - 19:51

score 60 · Answer 7 · 2018-04-21 23:48:10

60

Views

Relationship between ideals of rings?

Published on 21 Apr 2018 - 23:48

score 101 · Answer 8 · 2018-04-26 02:29:10

101

Views

give an example of an integral domain R of characteristic p>0, such that the map R->R, r->r^p is a non-surjective ring homomorphism

Published on 26 Apr 2018 - 2:29

score 149 · Answer 9 · 2018-05-02 12:54:18

149

Views

The image of an ideal by a ring homomorphism

Published on 02 May 2018 - 12:54

score 258 · Answer 10 · 2018-05-02 18:35:00

258

Views

Smallest subfield of extension field

Published on 02 May 2018 - 18:35

score 73 · Answer 11 · 2018-05-03 08:06:53

73

Views

$f:R \times R \rightarrow R \times R \times R$ is a R-module homomorphism. Prove f is not surjective.

Published on 03 May 2018 - 8:06

score 32 · Answer 12 · 2018-05-06 21:32:28

32

Views

Bijection of $\theta:R \rightarrow \mathrm{Frac}(R)$

Published on 06 May 2018 - 21:32

score 47 · Answer 13 · 2018-05-12 14:45:20

47

Views

Partition of $\mathbb{Z}_8$ into cosets of Ker(θ)

Published on 12 May 2018 - 14:45

score 268 · Answer 14 · 2018-06-01 21:23:26

268

Views

Homomorphic image of matrix ring

Published on 01 Jun 2018 - 21:23

score 67 · Answer 15 · 2026-03-24 23:06:28

67

Views

If $φ: A → B$ and $ψ: B → C$ are homomorphisms, then $ψ \circ φ: A → C$ is a homomorphism.

Published on 24 Mar 2026 - 23:06

List Question

Formula of morphism $\pi $ to general element $K[x]/(m)$

Proving $L(R,R) \otimes L(R,R) \cong L(R \otimes R , R \otimes R)$.

Largest ring over which a particular abelian group becomes a module

All homomorphisms from $\mathbb{Q}$ to $\mathbb{Q}$ are isomorphisms

Let $K \prec F$ and $\tau : F \rightarrow$ is a homomorphism where $\tau(u) = u \forall u\in K$ then $\tau \in \text{Gal}_K F$

Why is there no subring of the integers modulo 29 isomorphic to the integers modulo 8?

Relationship between ideals of rings?

give an example of an integral domain R of characteristic p>0, such that the map R->R, r->r^p is a non-surjective ring homomorphism

The image of an ideal by a ring homomorphism

Smallest subfield of extension field

$f:R \times R \rightarrow R \times R \times R$ is a R-module homomorphism. Prove f is not surjective.

Bijection of $\theta:R \rightarrow \mathrm{Frac}(R)$

Partition of $\mathbb{Z}_8$ into cosets of Ker(θ)

Homomorphic image of matrix ring

If $φ: A → B$ and $ψ: B → C$ are homomorphisms, then $ψ \circ φ: A → C$ is a homomorphism.

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