| n-倾斜挠类与n-余倾斜挠自由类（英文） |
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| 引用本文： | 何东林,李煜彦.n-倾斜挠类与n-余倾斜挠自由类（英文）[J].数学季刊,2019(2):196-203. |
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| 作者姓名： | 何东林 李煜彦 |
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| 作者单位： | Department of Mathematics |
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| 基金项目： | Supported by the 2018 Scientific Research Projects in Universities of Gansu Province(2018A-269) |
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| 摘 要： | In this paper,we consider some generalizations of tilting torsion classes and cotilting torsion-free classes,give the definition and characterizations of n-tilting torsion classes and n-cotilting torsion-free classes,and study n-tilting preenvelopes and n-cotilting precovers.
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| 关 键 词： | n-tilting TORSION CLASSES n-cotilting TORSION-FREE CLASSES preenvelopes precovers |
n-tilting Torsion Classes and n-cotilting Torsion-free Classes |
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| HE Dong-lin,LI Yu-yan.n-tilting Torsion Classes and n-cotilting Torsion-free Classes[J].Chinese Quarterly Journal of Mathematics,2019(2):196-203. |
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| Authors: | HE Dong-lin LI Yu-yan |
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| Abstract: | In this paper, we consider some generalizations of tilting torsion classes and cotilting torsion-free classes, give the definition and characterizations of n-tilting torsion classes and n-cotilting torsion-free classes, and study n-tilting preenvelopes and n-cotilting precovers. |
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| Keywords: | n-tilting torsion classes n-cotilting torsion-free classes preenvelopes precovers |
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