Structure of Zhou Nil-clean Rings
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A ring R is Zhou nil-clean if every element in R is the sum of two tripotents and a nilpotent that commute. Homomorphic images of Zhou nil-clean rings are explored. We prove that a ring R is Zhou nil-clean if and only if 30 ϵ R is nilpotent and R/30R is Zhou nil-clean, if and only if R/BM(R) is 5-potent and BM(R) is nil, if and only if J(R) is nil and R/J(R) is isomorphic to a Boolean ring, a Yaqub ring, a Bell ring or a direct product of such rings. By means of homomorphic images, we completely determine when the generalized matrix ring is Zhou nil-clean. We prove that the generalized matrix ring Mn(R; s) is Zhou nil-clean if and only if R is Zhou nil-clean and s ϵ J(R).
2016 ◽
Vol 15
(08)
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pp. 1650148
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1995 ◽
Vol 18
(2)
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pp. 311-316
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2017 ◽
Vol 16
(04)
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pp. 1750073
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2016 ◽
Vol 15
(08)
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pp. 1650152
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2004 ◽
Vol 70
(2)
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pp. 279-282
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2017 ◽
Vol 16
(04)
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pp. 1750067
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