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24 - M. Behboodi (with A.Ghorbani, A.Moradzadeh-Dehkordi, S.H.Shojaee), On left Kothe rings and a generalization of the Kothe-Cohen-Kaplansky theorem, Proc. Amer. Math. Soc. (Accepted). (ISI)

 

In this paper, we obtain a partial solution to the following question of Kothe [9]: For which rings R is it true that every left (or both left and right) R-module is a direct sum of cyclic modules? Let R be a ring in which all idempotents are central. We prove that, if R is a left K¨othe ring (i.e., every left R-module is a direct sum of cyclic modules), then R is an Artinian principal right ideal ring. Consequently, R is a K¨othe ring (i.e., each left, and each right, R-module is a direct sum of cyclic modules) if and only if R is an Artinian principal ideal ring. This is a generalization of the K¨othe-Cohen-Kaplansky
theorem [3, 9].

December, 2012

 

Journal Papers
Month/Season: 
December
Year: 
2012

ارتقاء امنیت وب با وف ایرانی

24 - M. Behboodi (with A.Ghorbani, A.Moradzadeh-Dehkordi, S.H.Shojaee), On left Kothe rings and a generalization of the Kothe-Cohen-Kaplansky theorem, Proc. Amer. Math. Soc. (Accepted). (ISI) | Dr. Mahmood Behboodi

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ارتقاء امنیت وب با وف ایرانی