we chiefly study Cayley graphs of strong semilattices of left groups and obtain some results for structures and properties of this graphs.Meanwhile
a sufficient condition is established for which a digraph with certain properties is the Cayley graphs of strong semilattices of left groups.Furthermore
we can get the corresponding results for Cayley graphs of Clifford semigroups if left groups are restricted to groups.Therefore
the conclusions in the paper extend some main theorems about the Cayley graphs of Clifford semigroups.
关键词
半群左群左群的强半格Cayley图
Keywords
semigroupleft groupstrong semilattices of left groupsCayley graph