J4 ›› 2010, Vol. 45 ›› Issue (4): 54-59.
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DONG Jun, WEI Jie
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This research is supported by the Scientific Research Fund of Gansu Provincial Education Department (0813B-01)
Abstract:
An endomorphism α of a ring R is called right reversible if whenever ab=0 for a,b∈R,bα(a)=0. A ring R is called right α-reversible if there exists a right reversible endomorphism α of R. The relations between α-reversible, α-rigid, reversible and weak α-skew Armendariz rings are investigated. And it is proven that for reversible and right α-reversible rings R: (1) R is a weak α-skew Armendariz ring; (2) R[x]/(xn) is a weak α-skew Armendariz ring for any positive integer n; (3) If for some positive integer t, αt=1R, then R[x;α] is weak Armendarizring.
Key words: α-reversible ring; α-rigid ring; weak α-skew Armendariz ring
DONG Jun, WEI Jie. A note on α-reversible rings[J].J4, 2010, 45(4): 54-59.
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