New posts in noncommutative-algebra

Is there a non-commutative ring with a trivial automorphism group?

ring-theory noncommutative-algebra

An example of a division ring $D$ that is **not** isomorphic to its opposite ring

abstract-algebra ring-theory examples-counterexamples noncommutative-algebra division-algebras

for any ring $A$ the matrix ring $M_n(A)$ is simple if and only if $A$ is simple

abstract-algebra matrices ring-theory modules noncommutative-algebra