| 左拟正规带的自由积 |
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| 引用本文： | 毕晓冬.左拟正规带的自由积[J].山东大学学报(理学版),2008,43(6):83-86. |
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| 作者姓名： | 毕晓冬 |
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| 作者单位： | 山东警察学院人事处,山东,济南,250014 |
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| 摘 要： | 证明了左拟正规带在半群范畴中的自由积的极大左拟正规带同态象,同构于它们在左拟正规带范畴中的自由积,从而证明了左拟正规带自由积的存在性。还建立了交换自由积的概念,并考察了半格自由积与交换自由积的关系。
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| 关 键 词： | 左拟正规带 半格 自由积 范畴 交换自由积 |
| 收稿时间： | 2007-09-30 |
Free product of left quasi-normal bands |
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| BI Xiao-dong.Free product of left quasi-normal bands[J].Journal of Shandong University,2008,43(6):83-86. |
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| Authors: | BI Xiao-dong |
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| Institution: | Personnel Office, Shandong Police College, Jinan 250014, Shandong, China |
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| Abstract: | It is proved that the maximal left quasi-normal band homomorphic image of the free product of right quasi-normal bands in the semi-group categrory is isomorphic to their free product in the left quasi-normal band category. Then, the existence of the free product in left quasinormal band was proved. Finally, the concept of commutative free product was given, and the relationship between semi-lattice free product and commutative free product was examined. |
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| Keywords: | left quasi-normal band semi-lattice free product category commutative free product |
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