List questions from noncommutative-algebra

Published on 25 Oct 2018 - 17:02

147

Views

question about semisimple ring.

Published on 27 Oct 2018 - 5:07

23

Views

Showing that $(x+y)^2 \in A_1(k)$ does not have a Dixmier mate

Published on 31 Oct 2018 - 1:48

58

Views

Wedderburn Artin theorem and module category

Published on 31 Oct 2018 - 9:08

109

Views

How can I prove that for $2$ finite dimensional matrices $A,B: [A,B] = i$ is impossible?

Published on 01 Nov 2018 - 7:46

237

Views

coproduct of noncommutative algebra and commutative algebras

Published on 16 Nov 2018 - 4:25

327

Views

Pushout of unital non commutative algebras

Published on 17 Nov 2018 - 20:55

62

Views

Identity with repeatedly taking the commutator of a ring element

Published on 20 Nov 2018 - 6:07

4.6k

Views

Why should a non-commutative operation even be called "multiplication"?

Published on 21 Nov 2018 - 8:21

1.3k

Views

Let $A$ and $B$ be nilpotent matrices that commute with $[A,B]$. If $A$, $B$, and $[A,B]$ are all nilpotent, show that $A+B$ is nilpotent.

Published on 21 Nov 2018 - 19:12

163

Views

Showing a certain endomorphism algebra is basic

Published on 25 Nov 2018 - 19:36

116

Views

Rings in which each element is a sum of $n$ commuting idempotents

Published on 22 Mar 2026 - 13:32

125

Views

Weyl algebra $\Bbb C[[x]][\partial]$ and division

Published on 22 Mar 2026 - 23:41

186

Views

Is there a calculus of non-commutative variables?

Published on 27 Nov 2018 - 17:14

592

Views

Surjective Ring Homomorphism mapping center to center

Published on 02 Dec 2018 - 0:28

List Question

On the essential ideal of a Lie algebra

question about semisimple ring.

Showing that $(x+y)^2 \in A_1(k)$ does not have a Dixmier mate

Wedderburn Artin theorem and module category

How can I prove that for $2$ finite dimensional matrices $A,B: [A,B] = i$ is impossible?

coproduct of noncommutative algebra and commutative algebras

Pushout of unital non commutative algebras

Identity with repeatedly taking the commutator of a ring element

Why should a non-commutative operation even be called "multiplication"?

Let $A$ and $B$ be nilpotent matrices that commute with $[A,B]$. If $A$, $B$, and $[A,B]$ are all nilpotent, show that $A+B$ is nilpotent.

Showing a certain endomorphism algebra is basic

Rings in which each element is a sum of $n$ commuting idempotents

Weyl algebra $\Bbb C[[x]][\partial]$ and division

Is there a calculus of non-commutative variables?

Surjective Ring Homomorphism mapping center to center

Trending Questions

Popular # Hahtags

Popular Questions