Some notes on JTTC rings

Some notes on JTTC rings
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关于 JTTC 戒指的一些注意事项

DOI:
10.1016/j.bulsci.2014.08.006
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发表时间:
2015-03
影响因子:
1.3
通讯作者:
Wei Junchao
Wei Junchao
中科院分区:
数学4区
文献类型:
--
作者:
Qu Yinchun;Jia Tingting;Wei Junchao

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环R称为JTTC,如果对任意a∈ N(R)和B∈ R,(a B)2= a B 2 a,这是CN环的一个适当推广.本文证明了:(1)环R是交换的当且仅当对任意x∈ SN(R)和y∈ SZr(R),(xy)2= xy 2x,(2)R是JTTC环当且仅当对任意x∈ N(R)和y∈ SZr(R),xyx = x2 y,(3)R是约化环当且仅当T3(R)是JTTC环;(4)R是CN环当且仅当V2(R)是JTTC环,(5)R是交换约化环当且仅当TV 4(R)是JTTC环,(6)R是交换环当且仅当G3(R)是JTTC环,(7)如果R是包含von Neumann正则极大左理想的JTTC环,则R是强正则环.
A ring R is called JTTC if for any a∈ N (R) and b∈ R,(a b) 2= a b 2 a, which is a proper generalization of CN rings. In this paper, we show that (1) a ring R is commutative if and only if (x y) 2= x y 2 x for each x∈ S N (R) and y∈ S Z r (R);(2) R is a JTTC ring if and only if x y x= x 2 y for each x∈ N (R) and y∈ S Z r (R);(3) R is a reduced ring if and only if T 3 (R) is a JTTC ring;(4) R is a CN ring if and only if V 2 (R) is a JTTC ring;(5) R is a commutative reduced ring if and only if T V 4 (R) is a JTTC ring;(6) R is a commutative ring if and only if G 3 (R) is a JTTC ring;(7) If R is a JTTC ring containing a von Neumann regular maximal left ideal, then R is a strongly regular ring.
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