指数
发表于 2025-3-26 21:27:42
http://reply.papertrans.cn/95/9447/944661/944661_31.png
感激小女
发表于 2025-3-27 01:52:29
http://reply.papertrans.cn/95/9447/944661/944661_32.png
土产
发表于 2025-3-27 07:29:41
http://reply.papertrans.cn/95/9447/944661/944661_33.png
CARE
发表于 2025-3-27 12:09:28
On Derivations in Near-Rings, II. We prove that . must be a commutative ring if one of the following holds: (a) . satisfies one of (i) and (ii), and . is multiplicatively central; (b) . satisfies both of (i) and (ii), ... 0, and . {0}. Some related results are also given.
圆桶
发表于 2025-3-27 17:34:00
http://reply.papertrans.cn/95/9447/944661/944661_35.png
canvass
发表于 2025-3-27 18:28:32
http://reply.papertrans.cn/95/9447/944661/944661_36.png