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Search: All articles in the CMB digital archive with keyword reversible ring

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1. CMB 2016 (vol 59 pp. 794)

Hashemi, Ebrahim; Amirjan, R.
Zero-divisor Graphs of Ore Extensions over Reversible Rings
Let $R$ be an associative ring with identity. First we prove some results about zero-divisor graphs of reversible rings. Then we study the zero-divisors of the skew power series ring $R[[x;\alpha]]$, whenever $R$ is reversible and $\alpha$-compatible. Moreover, we compare the diameter and girth of the zero-divisor graphs of $\Gamma(R)$, $\Gamma(R[x;\alpha,\delta])$ and $\Gamma(R[[x;\alpha]])$, when $R$ is reversible and $(\alpha,\delta)$-compatible.

Keywords:zero-divisor graphs, reversible rings, McCoy rings, polynomial rings, power series rings
Categories:13B25, 05C12, 16S36

2. CMB 2009 (vol 52 pp. 267)

Ko\c{s}an, Muhammet Tamer
Extensions of Rings Having McCoy Condition
Let $R$ be an associative ring with unity. Then $R$ is said to be a {\it right McCoy ring} when the equation $f(x)g(x)=0$ (over $R[x]$), where $0\neq f(x),g(x) \in R[x]$, implies that there exists a nonzero element $c\in R$ such that $f(x)c=0$. In this paper, we characterize some basic ring extensions of right McCoy rings and we prove that if $R$ is a right McCoy ring, then $R[x]/(x^n)$ is a right McCoy ring for any positive integer $n\geq 2$ .

Keywords:right McCoy ring, Armendariz ring, reduced ring, reversible ring, semicommutative ring
Categories:16D10, 16D80, 16R50

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