List questions from finite-rings

Published on 23 Feb 2026 - 2:07

1k

Views

Are there any homomorphisms from integers into finite rings other than modulo $n$?

Published on 09 Aug 2013 - 3:13

55

Views

An extremal combinatorial problem over Finite rings

Published on 09 Aug 2013 - 17:01

56

Views

Relation between $a$ and $a^{-1}$ in integer rings about evenness

Published on 31 Aug 2013 - 16:02

537

Views

Coprime elements in finite rings

Published on 04 Sep 2013 - 20:49

74

Views

On ring isomorphisms

Published on 23 Feb 2026 - 2:05

1.9k

Views

A ring with few invertible elements

Published on 10 Sep 2013 - 20:55

3.8k

Views

Finite ring has only zero divisors and units

Published on 14 Sep 2013 - 21:12

107

Views

Question concerning finite rings

Published on 09 Oct 2013 - 16:54

62

Views

Is $\sum_{c \notin \mathbb Z_q}\psi(c)-\sum_{c \notin \mathbb Z_q}\psi(c^n)$ an integer?

Published on 13 Oct 2013 - 18:26

268

Views

Structure of $(\mathbb{Z}/p^k\mathbb{Z})^\times$ other than via $p$-adics?

Published on 16 Oct 2013 - 2:15

1.9k

Views

$\sum_{x \in \mathbb Z_9}w^{x^2-cx}=?$,where $c \in \mathbb Z_9$ and $w=e^{2\pi i/9}$

Published on 26 Oct 2013 - 16:41

555

Views

On finite subring of a division ring

Published on 06 Nov 2013 - 13:26

327

Views

Ideals of $\mathbb Z[x]$ containing $(3, x^3 - 1)$.

Published on 13 Nov 2013 - 14:43

7k

Views

Finite rings without zero divisors are division rings.

Published on 03 Dec 2013 - 23:55

List Question

Simple Combinatorics in finite rings

Are there any homomorphisms from integers into finite rings other than modulo $n$?

An extremal combinatorial problem over Finite rings

Relation between $a$ and $a^{-1}$ in integer rings about evenness

Coprime elements in finite rings

On ring isomorphisms

A ring with few invertible elements

Finite ring has only zero divisors and units

Question concerning finite rings

Is $\sum_{c \notin \mathbb Z_q}\psi(c)-\sum_{c \notin \mathbb Z_q}\psi(c^n)$ an integer?

Structure of $(\mathbb{Z}/p^k\mathbb{Z})^\times$ other than via $p$-adics?

$\sum_{x \in \mathbb Z_9}w^{x^2-cx}=?$,where $c \in \mathbb Z_9$ and $w=e^{2\pi i/9}$

On finite subring of a division ring

Ideals of $\mathbb Z[x]$ containing $(3, x^3 - 1)$.

Finite rings without zero divisors are division rings.

Trending Questions

Popular # Hahtags

Popular Questions