Question

An interesting problem about a "quasi ideal"

score 53 · Answer 1 · 2016-10-16 15:59:43

53

Views

An interesting problem about a "quasi ideal"

Published on 16 Oct 2016 - 15:59

score 1.9k · Answer 2 · 2016-10-24 09:15:08

1.9k

Views

Show that 3Z is not isomorphic to 5Z (when dealing with rings)

Published on 24 Oct 2016 - 9:15

score 3.8k · Answer 3 · 2016-10-31 13:53:52

3.8k

Views

Is $2\mathbb{Z}$ ring isomorphic to $4\mathbb{Z}$?

Published on 31 Oct 2016 - 13:53

score 706 · Answer 4 · 2016-11-03 16:30:52

706

Views

Zero divisor in ring without unity

Published on 03 Nov 2016 - 16:30

score 1.2k · Answer 5 · 2016-11-26 10:34:44

1.2k

Views

In the ring $6\mathbb{Z}$ is $12\mathbb{Z}$ maximal ideal but not prime ideal?

Published on 26 Nov 2016 - 10:34

score 729 · Answer 6 · 2017-01-14 20:30:27

729

Views

Pierce decomposition of a (not necessarily commutative) ring and the cartesian product

Published on 14 Jan 2017 - 20:30

score 92 · Answer 7 · 2017-02-18 22:07:43

92

Views

Does $\operatorname{End}_R(R)\cong R^{\text{op}}$ still hold when $R$ doesn't have an identity?

Published on 18 Feb 2017 - 22:07

score 1.6k · Answer 8 · 2017-02-24 19:37:03

1.6k

Views

Smallest subring of $\mathbb Q$ containing $3/10$

Published on 24 Feb 2017 - 19:37

score 430 · Answer 9 · 2017-03-18 18:20:19

430

Views

Product of Principal Ideals when $R$ is commutative, but not necessarily unital

Published on 18 Mar 2017 - 18:20

score 426 · Answer 10 · 2017-04-08 13:32:02

426

Views

$R$ is a prime right Goldie ring which contains a minimal right ideal. Show that $R$ must be a simple Artinian ring.

Published on 08 Apr 2017 - 13:32

score 47 · Answer 11 · 2023-05-24 22:04:01

47

Views

Finitely generated module over non-unital ring

Published on 24 May 2023 - 22:04

score 48 · Answer 12 · 2023-06-10 04:33:39

48

Views

Orthogonal idempotents in rings without unity?

Published on 10 Jun 2023 - 4:33

score 30 · Answer 13 · 2023-08-25 16:46:02

30

Views

What is the chance of getting same decimals of percentage 4 times in a row with RNG?

Published on 25 Aug 2023 - 16:46

score 16 · Answer 14 · 2023-11-14 07:22:59

16

Views

Generated Ideal Set Representation

Published on 14 Nov 2023 - 7:22

score 26 · Answer 15 · 2024-02-27 16:33:39

26

Views

Matrix construction of Dorroh extension

Published on 27 Feb 2024 - 16:33

List Question

An interesting problem about a "quasi ideal"

Show that 3Z is not isomorphic to 5Z (when dealing with rings)

Is $2\mathbb{Z}$ ring isomorphic to $4\mathbb{Z}$?

Zero divisor in ring without unity

In the ring $6\mathbb{Z}$ is $12\mathbb{Z}$ maximal ideal but not prime ideal?

Pierce decomposition of a (not necessarily commutative) ring and the cartesian product

Does $\operatorname{End}_R(R)\cong R^{\text{op}}$ still hold when $R$ doesn't have an identity?

Smallest subring of $\mathbb Q$ containing $3/10$

Product of Principal Ideals when $R$ is commutative, but not necessarily unital

$R$ is a prime right Goldie ring which contains a minimal right ideal. Show that $R$ must be a simple Artinian ring.

Finitely generated module over non-unital ring

Orthogonal idempotents in rings without unity?

What is the chance of getting same decimals of percentage 4 times in a row with RNG?

Generated Ideal Set Representation

Matrix construction of Dorroh extension

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