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- endomorphism semigroup 自同态半群
- The split graph is given whose endomorphism images are retracts. 给出了任意自同态像图都是收缩核的分裂图的结构.
- The latter two published a monograph on semigroup theory in 1961. 后面二人在 1961 年出版了半群理论的专论。
- A construction theorem for such semigroup is obtained. 给出该类半群的一个构造定理.
- Graphs and their strong endomorphism monoids are considered in this paper. 本文研究图及其强自同态幺半群。
- It follows that every nonempty periodic semigroup has at least one idempotent. 得出了所有非空周期半群都有至少一个幂等元。
- A semigroup generated by a single element is said to be monogenic (or cyclic ). 被一个单一元素生成的半群叫做 单基因 的(或 循环 的)。
- The minimal ideal of a commutative semigroup, when it exists, is a group. 交换半群的极小理想如果存在的话是个群。
- A semigroup is said to be periodic if all of its elements are of finite order. 半群被称为 周期性 的,如果所有它的元素有着有限次序。
- P regularity of the endomorphism monoid of lexicographic product of graphs is discussed. 刻划了具有P-正则自同态幺半群的二分图,讨论了字典序积图的自同态幺半群的P-正则性。
- It stands to reason people who prefer most types of foods will be fatter and people who are the endomorph shape tend to find it more difficult to lose weight. 但合乎情理的是对大多数食品都能美美地享用的人更易长胖,同时肥型体质的人要想减肥的话则更是难上加难。
- The endomorph increased and the mesomorph reduced gradually in girls with the increase of age. 两民族儿童在体型图上各有不同的分布规律。
- For example, every nonempty finite semigroup is periodic, and has a minimal ideal and at least one idempotent. 例如,所有非空有限半群是周期性的,并有一个极小理想和至少一个幂等元。
- Then,two important structural theorem are obtained by the special structure of Clifford semigroup. 其次,根据C lifford半群是群强半格的特殊结构,得到了C lifford半群的幂半群的两个重要的结构定理。
- Bipartite graphs with P-regular endomorphism monoids are characterized.P-regularity of the endomorphism monoid of lexicographic product of graphs is discussed. 刻划了具有P-正则自同态幺半群的二分图,讨论了字典序积图的自同态幺半群的P-正则性.
- If S is a semigroup, then the intersection of any collection of subsemigroups of S is also a subsemigroup of S. 如果 S 是半群,则任何 S 的子半群的搜集的交集也是 S 的子半群。
- A semigroup S is called 2-semiband, if every element of S is a product of two idempotents of S. 摘要称半群S为2-半带,若其中每个元素都可以写为S中两个幂等元的积。
- It gets some results about the relation between the direct summands of an additive group and the summands of the endomorphism ring of this additive group. 得到了关于加法群的直和项与其自同态环的直和项间相互刻画的一些结论。
- In the meantime, it is proved that each orthodox semigroup with an inverse transversal can be constructed in this way. 同时证明了每个具有逆断面的纯正半群都可以如此构造。
- The aim of this paper is to construct a class of quasi-hereditary endomorphism algebras with global dimension 3 from the algebras of representation dimension at most three. 摘要介绍了表示维数小于等于3的一类非常重要的代数,并从这类代数出发,构造了一类新的整体维数小于等于3的拟遗传自同态代数。