J4 ›› 2010, Vol. 45 ›› Issue (6): 39-42.
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刘静
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LIU Jing
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摘要：
用纯子群刻画并讨论了Abel 群同态扩张的条件,给出了同态扩张的惟一性条件,并讨论了Abel 群的矩量问题有解的条件。
关键词: Abel 群;纯子群;矩量问题
Abstract:
A condition of extension of homomorphism of Abelian groups is given by using pure subgroups, and the uniqueness of extension of homomorphism is discussed. Furthermore, a condition for solvability of the moment problem of Abelian groups is obtained.
Key words: Abelian group; pure subgroup; moment problem
刘静. 关于Abel群同态的扩张[J]. J4, 2010, 45(6): 39-42.
LIU Jing. On extension of homomorphism of Abelian groups[J]. J4, 2010, 45(6): 39-42.
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http://lxbwk.njournal.sdu.edu.cn/CN/Y2010/V45/I6/39
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