素环理想上的导子 |
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引用本文: | 王立,陈光海,杜君花.素环理想上的导子[J].哈尔滨理工大学学报,2009,14(5):105-106. |
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作者姓名: | 王立 陈光海 杜君花 |
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作者单位: | 王立,陈光海(哈尔滨理工大学,应用科学学院,黑龙江,哈尔滨,150080);杜君花(齐齐哈尔大学,理学院,黑龙江,齐齐哈尔161006) |
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基金项目: | 黑龙江省自然科学基金资助项目 |
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摘 要: | 讨论了素环理想上导子的性质.设R是6-扭自由的素环,I是R的非零理想,Z是环R的中心,若存在非零导子d满足对任意x∈I均有d(x3)∈Z,且I∩Z≠{0}或对任意的x∈I均有x,d(x2)]∈Z,R则环交换.
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关 键 词: | 素环 导子 扭自由 |
Ideals in Prime Rings with Derivations |
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Affiliation: | WANG Li, CHEN Guang-hai, DU Jun-hua(1.School of Applied Sciences, Harbin University of Science and Technology, Harbin 150080, China; 2. School of Science, Qiqihar University, Qiqihar 161006, China) |
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Abstract: | In this paper, we discuss the property of ideals in prime rings with derivations. Let R is a prime rings with 6 - torsion free, I is a nonzero ideal of R and Z is the center of R, if there exists a nonzero derivation d such that d(x^3) e Z and I∩Z≠{0} for all x e I or x,d(x^2 ) ]∈Z for all x∈1, then R is a commutative ring. |
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Keywords: | prime ring derivation torsion free |
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