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可換序半群的分式擴張
In this paper we extend the construction of the field of rational numbers from the ring of integers to an arbitrary commutative ordered semigroup.We first construct a fractional ordered semigroup and a homomorphism ψs:R→S-1R.Secondly,we characterize the commutative ordered semigroup so constructed by a universal mapping property.
作 者: 羅從文 LUO Cong-wen 作者單位: College of Science,Three Gorges University,Yichang 443002,China 刊 名: 數(shù)學季刊(英文版) ISTIC PKU 英文刊名: CHINESE QUARTERLY JOURNAL OF MATHEMATICS 年,卷(期): 2008 23(3) 分類號: O153.1 關鍵詞: ordered semigroup fractional extension homomorphism【可換序半群的分式擴張】相關文章:
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