Characterizations of Semihyperrings by Their (∈γ, ∈γ ∨ qδ)-Fuzzy Hyperideals

The concepts of ()-fuzzy bi-hyperideals and ()-fuzzy quasi-hyperideals of a semihyperring are introduced, and some related properties of such ()-fuzzy hyperideals are investigated. In particular, the notions of hyperregular semihyperrings and left duo semihyperrings are given, and their characterizations in terms of hyperideals and ()-fuzzy hyperideals are studied.

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