List questions from finite-rings

Published on 14 Mar 2017 - 18:13

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Non isomorphic rings of order 4

Published on 01 Apr 2017 - 15:35

257

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What is the difference between $Z/(4)$ and the field $F4$?

Published on 01 Apr 2017 - 18:34

112

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A polynomial with unique root in every $ \mathbb Z _ n $

Published on 09 Mar 2023 - 15:14

30

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Lifting Idempotents in McDonald's Finite Rings w/ Identity Theorem XIV.3

Published on 24 May 2023 - 19:24

2.9k

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Why does Gaussian elimination sometimes work in rings where it should not?

Published on 10 Jul 2023 - 1:23

120

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Subrings and quotients of finite semigroup algebras

Published on 13 Nov 2023 - 20:20

174

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Linear congruences over a finite ring are equivalent

Published on 09 Dec 2023 - 10:31

45

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Every ideal of a finite principal ring is generated by a zero divisor

Published on 13 Jan 2024 - 19:35

1.6k

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There are only two non isomorphic rings with $p$ elements

Published on 04 Jan 2015 - 17:23

580

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the number of zero divisors in polynomial ring

Published on 20 Jan 2015 - 16:30

759

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Ring with many one-sided zero-divisors

Published on 27 Jan 2015 - 12:04

151

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A finite pseudo-ring such that $ab^2=b$ for some $(a,b)\in A$

Published on 19 Feb 2015 - 21:20

1.2k

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The cardinality of $\text{GL}(n, \mathbb{Z} / m\mathbb{Z})$

Published on 28 Feb 2015 - 14:36

141

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How to find all ring structures over $C_2\times C_2$?

Published on 15 Mar 2015 - 10:07

List Question

How to draw a sublattice to exhibit diagonalization?

Non isomorphic rings of order 4

What is the difference between $Z/(4)$ and the field $F4$?

A polynomial with unique root in every $ \mathbb Z _ n $

Lifting Idempotents in McDonald's Finite Rings w/ Identity Theorem XIV.3

Why does Gaussian elimination sometimes work in rings where it should not?

Subrings and quotients of finite semigroup algebras

Linear congruences over a finite ring are equivalent

Every ideal of a finite principal ring is generated by a zero divisor

There are only two non isomorphic rings with $p$ elements

the number of zero divisors in polynomial ring

Ring with many one-sided zero-divisors

A finite pseudo-ring such that $ab^2=b$ for some $(a,b)\in A$

The cardinality of $\text{GL}(n, \mathbb{Z} / m\mathbb{Z})$

How to find all ring structures over $C_2\times C_2$?

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