Maji et al. introduced the concept of fuzzy soft sets as a generalizationof the standard soft sets and presented an application of fuzzy soft sets in a decisionmaking problem. The aim of this paper is to apply the concept of fuzzy soft sets to n-ary hypergroup theory. The concepts of (∈γ,∈γ∨qδ)-fuzzy soft (invertible) n-ary subhypergroups over a commutative n-ary hypergroup are introduced and some related properties and characterizations are obtained. The homomorphism properties of (∈γ,∈γ∨qδ)-fuzzy soft (invertible) n-ary subhypergroups are also derived.
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