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。
Bipartite graphs with P-regular endomorphism monoids are characterized. P-regularity of the endomorphism monoid of lexicographic product of graphs is discussed.
一个有限半群是满足左正则性条件的IC富足半群当且仅当它是一个幂等元形成左正则带的纯整超富足半群，但满足左正则性条件的无限IC富足半群不都是幂等元形成左正则带的纯整超富足半群。
A finite semigroup is an IC abundant semigroup satisfying the left rgularity condition if and only if it is an orthodox superabundant semigroup whose idempotents form a left regular band.
本文着重研究重写系统的合流性，通过引入符号测度的概念，本文定义了半正则重写系统，并证明了半正则重写系统的合流性。
In this paper, the symbolic measure is introduced, and semiregularity is defined, and the confluence of semiregular term rewriting system is proved.
还给出了为有限个主理想的并的交换序半群类中的诺特性，阿基米德性，正则性以及有限生成性之间的一些关系。
In this paper using the concept of the main middle ideal gives a condition of the soft algebra as a direct product of chains.
还给出了为有限个主理想的并的交换序半群类中的诺特性，阿基米德性，正则性以及有限生成性之间的一些关系。
In this paper using the concept of the main middle ideal gives a condition of the soft algebra as a direct product of chains.
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