We deal with subsemigroups of a free left regular band F_n of rank n. It is proved that any finite, right hereditary, left regular band with a linearly ordered support semilattice is embedded in F_n for some n.

中文翻译：

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自由左规则带的有限子monoids

我们处理等级n的自由左规则带F _n的亚半群。事实证明，任何具有线性有序支撑半格的有限，右遗传，左规则带都嵌入在F _n中约n倍。