最后对根投射模的自同态环进行了讨论。
Finally, the endomorphism ring of radical-projective modules is discussed.
通过对环的幂自同态结构的研究，刻画出无零因子环的所有幂自同态。
In this paper, we will completely characterize all power endomorphisms of rings without zero divisor.
通过对环的幂自同态结构的研究，刻画出无零因子环的所有幂自同态。
In this paper, we will completely characterize all power endomorphisms of rings without zero divisor.
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