【摘要】 在完全π-正则半群上引入a*及a-,讨论完全π-正则半群的性质,给出半群S的任一真左理想为完全π-正则半群(GV-半群)的一些充要条件,并对完全阿基米德半群进行等价刻画.更多还原

【Abstract】 By introducing the notations a* and a- on completely πregular semigroups, some properties of completely πregular semigroups are discussed, and some equivalent conditions are obtained of semigroup S, every proper left ideal of which is a completely πregular semigroup (GVsemigroup), and completely Archimedean semigroups are characterized.更多还原