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粗糙群的同态性质

, PP. 338-341

Keywords: 粗糙群,粗糙理想,同余,满同态

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Abstract:

φ是群G到K的满同态映射.利用φ将群K中的同余关系ρ诱导到群G中,在此基础上获得同态映射φ与同余关系的上(下)近似可交换的性质,证明同态映射φ保持上(下)粗子群、上(下)粗左(右,双侧)理想不变.

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