Abstract
In this paper a ranking procedure based on Hexagonal Fuzzy numbers is applied to find a critical path in a fuzzy project network. Here we introduce hexagonal fuzzy numbers for indicating duration of each activity time. Modified arithmetic operations are applied to find fuzzy latest finish time which gives precise result as there will be no negative time. Our proposed method provides better way of finding fuzzy critical path and aid in decision making in a complex project network. A numerical example is conferred to illustrate the potential use of the proposed approach.
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