Extensions of Morphic Rings

Extensions of Morphic Rings
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吗啡环的延伸

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2007
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环R称为左拟态,如果对于任意a∈R,存在b∈R使得I_R(a)=Rb且I_R(b)=Ra。本文采用与Lee和Zhou不同的方法来研究R[x,σ]/(x~n)何时为(左)拟态以及理想扩张E(R)
A ring R is called left morphic,if for any a∈R,there exists b∈R such that I_R(a)=Rb and I_R(b)=Ra.In this paper,we use the method which is different from that of Lee and Zhou to investigate when R[x,σ]/(x~n)is(left)morphic and when the ideal extension E(R