李师正.某些半群子范畴中的张量积[J].数学研究及应用,1986,6(2):17~19
某些半群子范畴中的张量积
On the Tensor Products in Som e Subcategories of Semigroups
投稿时间:1983-11-07  
DOI:10.3770/j.issn:1000-341X.1986.02.006
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作者单位
李师正 山东师范大学 
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英文摘要:
      In this paper the existence and uniqueness of tensor product in any semigroup variety are proved, and the relation between the tensor products in semigroup variety and in semigroup category is charaterized. Next, we consider the existence and uniqueness of tensor product in cancellation commutative semigr-oup subcategory, this tensor product is a subsemigroup of tensor product of two quotient groups in abelian group category.
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