List questions from rngs

Published on 13 Apr 2026 - 17:17

721

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If R is a commutative ring, but has no identity is c and element of I?

Published on 29 Apr 2026 - 20:41

2.8k

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Determine if R is a commutative ring with unity?

Published on 25 Mar 2026 - 9:34

94

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Rings and Rngs: properties which differ depending on the inclusion of a multiplicative identity.

Published on 25 Mar 2026 - 9:39

248

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algebras without identity

Published on 30 Apr 2026 - 10:18

581

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Prove that every maximal ideal of a commutative ring $R$ with $R^2=R$ is prime

Published on 25 Mar 2026 - 9:43

633

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Element of a ring without unity which divides every other element

Published on 25 Mar 2026 - 9:34

193

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Is the ring $m\mathbb{Z}$ isomorphic to the ring $n\mathbb{Z}$?

Published on 25 Mar 2026 - 9:37

3.4k

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Do Boolean rings always have a unit element?

Published on 25 Mar 2026 - 9:33

2.4k

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Non-commutative rings without identity

Published on 25 Mar 2026 - 9:33

995

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Idempotents in rings without unity

Published on 25 Mar 2026 - 9:34

16.5k

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Examples of a commutative ring without an identity in which a maximal ideal is not a prime ideal

Published on 25 Mar 2026 - 9:38

248

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Simple + Artinian = Semiprimitive

Published on 10 Apr 2026 - 15:26

1.3k

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What does Herstein mean by 'centroid of a ring'?

Published on 14 Apr 2026 - 20:00

348

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Direct Product, and Subdirect Product in Herstein text

Published on 13 Apr 2026 - 13:59

List Question

Nontrivial subring with identity of a ring without identity

If R is a commutative ring, but has no identity is c and element of I?

Determine if R is a commutative ring with unity?

Rings and Rngs: properties which differ depending on the inclusion of a multiplicative identity.

algebras without identity

Prove that every maximal ideal of a commutative ring $R$ with $R^2=R$ is prime

Element of a ring without unity which divides every other element

Is the ring $m\mathbb{Z}$ isomorphic to the ring $n\mathbb{Z}$?

Do Boolean rings always have a unit element?

Non-commutative rings without identity

Idempotents in rings without unity

Examples of a commutative ring without an identity in which a maximal ideal is not a prime ideal

Simple + Artinian = Semiprimitive

What does Herstein mean by 'centroid of a ring'?

Direct Product, and Subdirect Product in Herstein text

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