Mathematics – Rings and Algebras
Scientific paper
2007-09-04
Mathematics
Rings and Algebras
11 pages
Scientific paper
Let $R$ be a ring and $(\sigma,\delta)$ a quasi-derivation of $R$. In this
paper, we show that if $R$ is an $(\sigma,\delta)$-skew Armendariz ring and
satisfies the condition $(\mathcal{C_{\sigma}})$, then $R$ is right p.q.-Baer
if and only if the Ore extension $R[x;\sigma,\delta]$ is right p.q.-Baer. As a
consequence we obtain a generalization of \cite{hong/2000}.
louzari Mohamed
Yakoub L'moufadal Ben
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