On $\pi$-Semicommutative Rings
Received:August 26, 2015  Revised:December 03, 2015
Key Word: semicommutative rings   left GWZI rings   $\pi$-semicommutative rings  
Fund ProjectL:Supported by the Natural Foundation of Shandong Province (Grant Nos.ZR2013AL013; ZR2014AL001).
Author NameAffiliation
Weixing CHEN School of Mathematics and Information Science, Shandong Institute of Business and Technology, Shandong 264005, P. R. China 
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      A ring $R$ is said to be $\pi$-semicommutative if $a,b\in R$ satisfy $ab=0$ then there exists a positive integer $n$ such that $a^nRb^n=0$. We study the properties of $\pi$-semicommutative rings and the relationship between such rings and other related rings. In particular, we answer a question on left GWZI rings negatively.
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