Question

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

score 53 · Answer 1 · 2026-05-06 13:21:35

53

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

Published on 06 May 2026 - 13:21

score 49 · Answer 2 · 2026-04-16 00:47:52

49

Views

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

Published on 16 Apr 2026 - 0:47

score 48 · Answer 3 · 2026-04-11 10:59:49

48

Views

Largest ring over which a particular abelian group becomes a module

Published on 11 Apr 2026 - 10:59

score 925 · Answer 4 · 2026-04-15 18:00:04

925

Views

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

Published on 15 Apr 2026 - 18:00

score 43 · Answer 5 · 2026-04-16 15:23:06

43

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 16 Apr 2026 - 15:23

score 159 · Answer 6 · 2026-04-16 11:23:45

159

Views

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

Published on 16 Apr 2026 - 11:23

score 65 · Answer 7 · 2026-04-11 01:11:56

65

Views

Relationship between ideals of rings?

Published on 11 Apr 2026 - 1:11

score 105 · Answer 8 · 2026-05-10 12:35:28

105

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 10 May 2026 - 12:35

score 152 · Answer 9 · 2026-04-15 12:34:14

152

Views

The image of an ideal by a ring homomorphism

Published on 15 Apr 2026 - 12:34

score 262 · Answer 10 · 2026-04-14 12:46:00

262

Views

Smallest subfield of extension field

Published on 14 Apr 2026 - 12:46

score 76 · Answer 11 · 2026-04-14 04:34:16

76

Views

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

Published on 14 Apr 2026 - 4:34

score 35 · Answer 12 · 2026-04-14 14:35:18

35

Views

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

Published on 14 Apr 2026 - 14:35

score 49 · Answer 13 · 2026-04-12 04:23:00

49

Views

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

Published on 12 Apr 2026 - 4:23

score 272 · Answer 14 · 2026-04-14 15:48:28

272

Views

Homomorphic image of matrix ring

Published on 14 Apr 2026 - 15:48

score 68 · Answer 15 · 2026-03-25 01:18:10

68

Views

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

Published on 25 Mar 2026 - 1:18

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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