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This paper discusses an Economic Production Quantity model for Weibull deteriorating items over an infinite time horizon under fuzzy environment. Fuzziness is introduced by allowing the cost components such as setup cost, production cost, holding cost, shortage cost and opportunity cost due to lost sales to certain extent. Triangular fuzzy numbers are used(More)
In this paper, we study a deterministic inventory model for deteriorating items under time-dependent partial backlogging. Though lot of factors involving inventory affect the demand, among them time and stock are the most important factors. Therefore, we consider here the combined stock and time varying demand to make the theory more applicable in practice.(More)
In this paper, we discuss a deterministic EOQ model for deteriorating items with partial backlogging under inflation and time discounting. Fuzziness is introduced by allowing the traditional cost components to a certain extent. Triangular fuzzy numbers are used to represent the costs components. Signed distance method is used to defuzzify the triangular(More)
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