- Hacettepe Journal of Mathematics and Statistics
- Vol: 46 Issue: 6
- Herstein’s theorem for generalized derivations in rings with involution
Herstein’s theorem for generalized derivations in rings with involution
Authors : Shakir Ali, Abdul Nadim Khan, Nadeem Ahmad Dar
Pages : 1029-1034
View : 12 | Download : 6
Publication Date : 2017-12-01
Article Type : Research
Abstract :Let $R$ be an associative ring. An additive map $F:R\toR$ is called a generalized derivation if there exists a derivation $d$ of $R$ such that $F(xy)=F(x)y+xd(y)$ for all $x,y\in R$. In [7], Herstein proved the following result: If $R$ is a prime ring of $char(R)\neq 2$ admitting a nonzero derivation $d$ such that $[d(x),d(y)]=0$ for all $x,y\in R$, then $R$ is commutative. In the present paper, we shall study the above mentioned result for generalized derivations in rings with involution.Keywords : Prime ring, involution, derivation, generalized derivation