Question

For which $n \in \mathbb{N}$ is it the case that every element of $\mathbb{Z}/n\mathbb{Z}$ is strongly associate to an idempotent?

score 289 · Answer 1 · 2015-01-09 19:18:17

289

Views

For which $n \in \mathbb{N}$ is it the case that every element of $\mathbb{Z}/n\mathbb{Z}$ is strongly associate to an idempotent?

Published on 09 Jan 2015 - 19:18

score 214 · Answer 2 · 2026-03-26 03:00:22

214

Views

Associative Binary Operation(composition) is anticommutative iff idempotent...

Published on 26 Mar 2026 - 3:00

score 54 · Answer 3 · 2015-02-02 23:34:12

54

Views

References on projectors

Published on 02 Feb 2015 - 23:34

score 1.2k · Answer 4 · 2015-03-08 20:25:08

1.2k

Views

If $V$ is a vector space to itself, is the idempotent linear transformation, prove there is a basis such that is a diagonal matrix with all $0$ or $1$

Published on 08 Mar 2015 - 20:25

score 157 · Answer 5 · 2015-03-16 19:37:38

157

Views

Idempotents and symmetries of Zn

Published on 16 Mar 2015 - 19:37

score 439 · Answer 6 · 2015-03-21 15:11:30

439

Views

Proof of Lallement’s Lemma

Published on 21 Mar 2015 - 15:11

score 673 · Answer 7 · 2015-03-22 17:35:17

673

Views

Given two idempotents $a,b \in R$ such that $a+b$ is idempotent then $a$ and $b$ commute.

Published on 22 Mar 2015 - 17:35

score 143 · Answer 8 · 2015-04-27 20:18:40

143

Views

Matrix representations and idempotent/nilpotent elements

Published on 27 Apr 2015 - 20:18

score 2.3k · Answer 9 · 2015-05-11 17:44:59

2.3k

Views

Given a ring with unity and a central idempotent element e, prove some isomorphic relations

Published on 11 May 2015 - 17:44

score 98 · Answer 10 · 2015-05-17 13:43:45

98

Views

Proving Idempotency for general matrix

Published on 17 May 2015 - 13:43

score 84 · Answer 11 · 2015-05-19 19:53:38

84

Views

Find Matrix $S$ such that $S'CS=\left(\begin{array}{cc} 1_{N-1} & 0 \\ 0 & 0 \end{array} \right)$ where $C:=1_N-\iota \iota'$

Published on 19 May 2015 - 19:53

score 240 · Answer 12 · 2015-06-03 13:24:19

240

Views

Determine all ring homomorphisms from $ \Bbb Z$ $\oplus$ $\Bbb Z $ to $\Bbb Z$.

Published on 03 Jun 2015 - 13:24

score 300 · Answer 13 · 2026-03-26 11:24:33

300

Views

Idempotent semiring

Published on 26 Mar 2026 - 11:24

score 102 · Answer 14 · 2015-07-06 15:15:59

102

Views

Question concerning a minimal faithful left ideal in an artin algebra

Published on 06 Jul 2015 - 15:15

score 378 · Answer 15 · 2015-07-09 03:25:13

378

Views

Does every projection operator satisfy $\|Px\| \leq \|x\|\,$?

Published on 09 Jul 2015 - 3:25

List Question

For which $n \in \mathbb{N}$ is it the case that every element of $\mathbb{Z}/n\mathbb{Z}$ is strongly associate to an idempotent?

Associative Binary Operation(composition) is anticommutative iff idempotent...

References on projectors

If $V$ is a vector space to itself, is the idempotent linear transformation, prove there is a basis such that is a diagonal matrix with all $0$ or $1$

Idempotents and symmetries of Zn

Proof of Lallement’s Lemma

Given two idempotents $a,b \in R$ such that $a+b$ is idempotent then $a$ and $b$ commute.

Matrix representations and idempotent/nilpotent elements

Given a ring with unity and a central idempotent element e, prove some isomorphic relations

Proving Idempotency for general matrix

Find Matrix $S$ such that $S'CS=\left(\begin{array}{cc} 1_{N-1} & 0 \\ 0 & 0 \end{array} \right)$ where $C:=1_N-\iota \iota'$

Determine all ring homomorphisms from $ \Bbb Z$ $\oplus$ $\Bbb Z $ to $\Bbb Z$.

Idempotent semiring

Question concerning a minimal faithful left ideal in an artin algebra

Does every projection operator satisfy $\|Px\| \leq \|x\|\,$?

Trending Questions

Popular # Hahtags

Popular Questions