List questions from ring-theory

Published on 16 Apr 2026 - 7:39

31

Views

Isomorphism of groups involving quotients

Published on 14 Apr 2026 - 15:35

530

Views

Find all the units, irreducibles and primes in the ring $\mathbb Z/10\mathbb Z$

Published on 14 Apr 2026 - 9:25

610

Views

directly decompose the regular representation of $C_n$

Published on 13 Apr 2026 - 11:26

334

Views

ring homomorphism form $\mathbb{Z[x,y]} $ to $\frac{\mathbb{F_2[x]}}{\langle x^3+x^2+x+1 \rangle}$

Published on 24 Apr 2026 - 13:03

24

Views

Finding examples that works for vector spaces over a division ring

Published on 13 Apr 2026 - 21:36

958

Views

Counterexample: Local Artinian ring is not a PID

Published on 10 May 2026 - 14:47

742

Views

Going down theorem: Atiyah and Macdonald

Published on 22 Apr 2026 - 1:15

574

Views

Chinese Remainder Theorem in Rings (CRT)

Published on 11 Apr 2026 - 13:42

132

Views

Proof verification about annihilator of a module over a PID

Published on 09 Apr 2026 - 15:18

64

Views

Do we have $B\otimes_AB_{\mathfrak q}\cong B_{\mathfrak q}$?

Published on 05 May 2026 - 13:26

58

Views

If R[X] isomorphic to S[X] then R isomorphic to S?

Published on 26 Mar 2026 - 4:34

163

Views

Is there an isomorphism $\text{Hom}_R(R \otimes_k V, R \otimes_k W) \cong R \otimes_k W \otimes_k V^*$?

Published on 16 Apr 2026 - 5:47

88

Views

Use of canonical homomorphism in 1st Ring Isomorphism Theorem

Published on 25 Mar 2026 - 16:08

46

Views

Question on Krull domains.

Published on 10 May 2026 - 16:11

List Question

Prove that $T/J$ is isomorphic to $\mathbb{R} \times \mathbb{R}$ as a ring.

Isomorphism of groups involving quotients

Find all the units, irreducibles and primes in the ring $\mathbb Z/10\mathbb Z$

directly decompose the regular representation of $C_n$

ring homomorphism form $\mathbb{Z[x,y]} $ to $\frac{\mathbb{F_2[x]}}{\langle x^3+x^2+x+1 \rangle}$

Finding examples that works for vector spaces over a division ring

Counterexample: Local Artinian ring is not a PID

Going down theorem: Atiyah and Macdonald

Chinese Remainder Theorem in Rings (CRT)

Proof verification about annihilator of a module over a PID

Do we have $B\otimes_AB_{\mathfrak q}\cong B_{\mathfrak q}$?

If R[X] isomorphic to S[X] then R isomorphic to S?

Is there an isomorphism $\text{Hom}_R(R \otimes_k V, R \otimes_k W) \cong R \otimes_k W \otimes_k V^*$?

Use of canonical homomorphism in 1st Ring Isomorphism Theorem

Question on Krull domains.

Trending Questions

Popular # Hahtags

Popular Questions