Characterizations of hh-intra- and hh-quasi-hemiregular hemirings

The concepts of (∈γ,∈γ∨qδ)-fuzzy hh-bi-(hh-quasi-)ideals of hemirings are introduced. Some new characterization theorems of these kinds of fuzzy hh-ideals are also given. In particular, some characterizations of the hh-intra-hemiregular and hh-quasi-hemiregular hemirings are investigated by these kinds of fuzzy hh-ideals.