List questions from finite-rings

Published on 24 Mar 2015 - 23:08

136

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On units in subrings and quotient rings of a finite ring with unity

Published on 02 Apr 2015 - 5:33

114

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Every finite ring with identity $a+a = 0$ is subring of $Mat_{n\times n} (\mathbb{F}_2)$ for some $n$?

Published on 04 Apr 2015 - 10:31

120

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Find a ring homomorphism $\tau: \mathbb{F} \rightarrow \mathbb{F}$

Published on 08 Apr 2015 - 11:02

116

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Algebraic and transcendental functions over $\mathbb Z_n$ -- is this a known result?

Published on 20 Apr 2015 - 14:45

320

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Characterize all finite unital rings with only zero divisors

Published on 01 May 2015 - 12:08

559

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Finite commutative ring with more than $\frac{2}{3}$ of its elements idempotent

Published on 01 May 2015 - 18:52

73

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a question about abstract algebra,the order of $\Bbb Z_{5}[x]/ (x^3+x+1)$

Published on 05 May 2015 - 2:45

1.4k

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Algebraic closure for rings

Published on 20 May 2015 - 17:19

216

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Is there a finite ring whose rank is smaller than the rank of its group and its monoid?

Published on 27 May 2015 - 18:03

44

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Find an ideal of $R = \mathbf{Z}/12\mathbf{Z} = \{0,1,2,\dots,11\}$ with two elements

Published on 29 May 2015 - 7:21

62

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Equations in local rings

Published on 20 Jun 2015 - 14:20

1.7k

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Find all subrings of a ring

Published on 22 Jun 2015 - 15:07

971

Views

Finding all homomorphisms between rings

Published on 22 Jun 2015 - 15:49

281

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Smallest Two-Sided Nearrings

Published on 23 Jun 2015 - 13:05

List Question

Unfamiliar w/ Ring Notation

On units in subrings and quotient rings of a finite ring with unity

Every finite ring with identity $a+a = 0$ is subring of $Mat_{n\times n} (\mathbb{F}_2)$ for some $n$?

Find a ring homomorphism $\tau: \mathbb{F} \rightarrow \mathbb{F}$

Algebraic and transcendental functions over $\mathbb Z_n$ -- is this a known result?

Characterize all finite unital rings with only zero divisors

Finite commutative ring with more than $\frac{2}{3}$ of its elements idempotent

a question about abstract algebra,the order of $\Bbb Z_{5}[x]/ (x^3+x+1)$

Algebraic closure for rings

Is there a finite ring whose rank is smaller than the rank of its group and its monoid?

Find an ideal of $R = \mathbf{Z}/12\mathbf{Z} = \{0,1,2,\dots,11\}$ with two elements

Equations in local rings

Find all subrings of a ring

Finding all homomorphisms between rings

Smallest Two-Sided Nearrings

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