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Generalized ExcellentExtension and Hom ologicalDim ension
作者姓名:赵志新  刘仲奎
作者单位:Zhao Zhixin (Jiangsu Institute of Petrochemical Technology,Changzhou,213016) Liu Zhongkui (Nothwest Normal University,Lanzhou,730070)
摘    要:Passmanintroducedthenotationsofexcellentextensionin[1].LetRbesubringofS,RandShavesameunit.SiscalledexcellentextensionofRif:(A)S=∑ni=1aiRsuchthat{a1,…,an}S,a1=1,Rai=aiR,i=1~nandSisfreewithbasie{a1,…,an}asbotharightandleftR-module.(B)SisR-projective:t…

关 键 词:广义优越扩张  同调维  GV-环

Generalized Excellent Extension and Homological Dimension
Zhao Zhixin.Generalized ExcellentExtension and Hom ologicalDim ension[J].Chinese Quarterly Journal of Mathematics,1998,13(3):48-51.
Authors:Zhao Zhixin
Institution:[1]Jiangsu [2]Institute
Abstract:
Keywords:generalized) excellent extension  homological dimension  GV    Ring  S  3I    Ring
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