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مجله ساختارهای جبری، دوره: 4، شماره: 2
Year: 1396
COI: JR_JAS-4-2_006
Language: EnglishView: 193
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A. Naghipour - Department of Mathematics, Shahrekord University, P.O. Box ۱۱۵, Shahrekord, Iran.


Let R be a commutative ring with identity and M an R-module. In this paper, we associate a graph to M, sayΓ(RM), such that when M=R, Γ(RM) coincide with the zero-divisor graph of R. Many well-known results by D.F. Anderson and P.S. Livingston have been generalized for Γ(RM). We Will show that Γ(RM) is connected withdiam Γ(RM)≤ 3 and if Γ(RM) contains a cycle, then Γ(RM)≤4. We will also show that Γ(RM)=Ø if and only if M is aprime module. Among other results, it is shown that for a reduced module M satisfying DCC on cyclic submodules,gr (Γ(RM))=∞ if and only if Γ(RM) is a star graph. Finally, we study the zero-divisor graph of freeR-modules. 


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Paper count: 7,980
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