1) Left (Right) Modified Quantity
左(右)修正量
2) left(right) normal band
左(右)正规带
1.
Shevrin posed an open problem in Reference[1]: are semigroups whose lattice of subsemigroups is complemental periodic? In this paper, it is proved that the openproblem has positive answers for inverse semigroups, rectangular groups and E-right(left) unitary regular semigroups with left(right) normal band.
本文进一步证明了对逆半群、矩形群及幕等元集是左（右）正规带的Ｅ─右（左）么正正则半群，使公开问题有了肯定的回答。
3) left(right) regulor element
左(右)正则元
4) left(right) regular ordered semigroup
左(右)正则序半群
5) exact functor
左(右)正合函子
6) principal left (right) eigenvector
左右主特征向量
补充资料：左带
1.左衽。
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参考词条