证明了存在交换半群(S,·)使得其广义全Cayley图Cay(S,ω)为给定的图Γ0,及存在交换半群(T,·)使得其广义全Cayley图Cay(T,ω)同构于给定的图Γ0的完全分裂图r*0.
It is proved that commutative semigroups(S,·) do exist,whose generalized universal Cayley graph is a given graphΓ0 or isomorphic to any complete fission graphs of the given graphΓ0.