List questions from finite-rings

Published on 06 Dec 2013 - 7:46

55

Views

Non boolean example of a finite ring $R$ with $r^4 = r$ for all $r$ in $R$.

Published on 07 Dec 2013 - 17:45

54

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Step in proving that there are infinitely many primes that suffice....

Published on 09 Dec 2013 - 10:33

77

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Find a finite ring with elements other than the zero element, units, or zero-divisors.

Published on 10 Dec 2013 - 20:39

100

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Prove that this factor ring is a finite ring without zero divisors

Published on 18 Dec 2013 - 4:49

115

Views

How many zero divisors at $\mathbb{Z}_{80}\times\mathbb{Z}_{100}$?

Published on 27 Dec 2013 - 11:16

187

Views

Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?

Published on 07 Jan 2014 - 20:59

1.7k

Views

How many elements are there in this quotient ring?

Published on 14 Feb 2014 - 13:38

369

Views

Subring of $\Bbb Z_{18}$ with unity

Published on 18 Feb 2014 - 1:20

116

Views

Find finite rings $(R, +, \times$) such that $(R,+)$ is cyclic.

Published on 13 Apr 2017 - 5:26

102

Views

Form of a typical element in a finite ring

Published on 24 Apr 2017 - 4:34

3.3k

Views

Finite integral domain is a field: proof condition

Published on 12 May 2017 - 12:26

832

Views

For a finite local ring $R$, why $|R|$ is a prime power.

Published on 30 May 2017 - 17:09

146

Views

Why is $\mathbb{Z}_m$ a commutative ring?

Published on 12 Jun 2017 - 20:03

168

Views

Zero divisors on finite rings

Published on 04 Aug 2017 - 18:28

List Question

Question about finite ring with more than one element; division ring

Non boolean example of a finite ring $R$ with $r^4 = r$ for all $r$ in $R$.

Step in proving that there are infinitely many primes that suffice....

Find a finite ring with elements other than the zero element, units, or zero-divisors.

Prove that this factor ring is a finite ring without zero divisors

How many zero divisors at $\mathbb{Z}_{80}\times\mathbb{Z}_{100}$?

Is $x^2 + 1$ irreducible over $\mathbb{Z}/_{3}[x]$?

How many elements are there in this quotient ring?

Subring of $\Bbb Z_{18}$ with unity

Find finite rings $(R, +, \times$) such that $(R,+)$ is cyclic.

Form of a typical element in a finite ring

Finite integral domain is a field: proof condition

For a finite local ring $R$, why $|R|$ is a prime power.

Why is $\mathbb{Z}_m$ a commutative ring?

Zero divisors on finite rings

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