定义6.1.2 如果半群〈S,*〉中二元运算*是可交换 的，则称〈S,*〉是可交换半群(commutative semigroups)。如〈Z,+〉,〈Z,×〉,〈P(S), 均是可交 换半群。
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weak commutative semigroup 弱交换半群
weakly commutative semigroup 弱交换半群
finite commutative semigroup 有限可换半群
generalized commutative semigroup 广义交换半群
the commutative semigroup with property 具有性质的可换半群
commutative ideal semigroup 理想半群
finite commutative uni semigroup 有限可换幺半群
From an algebraic point of view, (-1, 1, T,≤) is a totally ordered commutative semigroup with annihilator (zero element) 0 where T is a balanced t-norm.
从代数角度讲,T是一个平衡三角范数当且仅当(-1,1,T,≤)是一个带有零化子(零元)0的全序交换半群。
参考来源 - 平衡三角范数与平衡模糊关系方程的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, the probability measure defined on the compact finite commutative semigroup and us composition convergence is discussed.
文中研究定义在紧有限交换半群上的概率测度，同时研究它们的合成收敛序列的性质。
In this paper, we introduce the notion of left weakly regular semigroup and show that in a commutative semigroup, the complete regularity, regularity, left resp.
介绍弱左正则幺半群的概念，指出在可交换半群中，完全正则、弱左(右)正则和完全幂等是等价的。
This paper has made some discussions on the finite commutative semigroup. The relationship between the finite commutative semigroup and the finite commutative group is established.
对有限可换半群进行了讨论，建立了有限可换半群与有限可换群之间的关系。
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