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Optimal pricing, replenishment scheduling, and preservation technology investment policy for multi-item deteriorating inventory model under shortages

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International Journal of Modeling, Simulation, and Scientific Computing 2021年第5期12卷 118-142页

作者： Abhijit Barman Rubi Das pijus kanti de department of Mathematics National Institute of Technology Silchar Silchar Assam 788010India

In a wholesale shop,the retailer is required to keep an inventory of various ranges of a product due to uncertainty in consumer preferences and *** Economic Order Quantity(EOQ)models for each variety of a product are needed for optimum level of *** model decides how much stock a shopkeeper has to store,according to demand and deterioration of different items to optimize the inventory policy of multiple *** like fashion,food,vegetables,pharmaceuticals,etc.,deteriorate in the retailer’s warehouse during *** investment is required in preservation technology to significantly reduce the deterioration rate,reduce economic losses,and increase business ***,a multi-item deteriorating EOQ model with a fixed cycle duration has been developed incorporating the preservation *** demands for the items are a quadratic function of the selling price,and shortages are *** main objective is to determine the optimal selling price,investment under preservation,the time length up to zero inventory,order quantity of the proposed inventory model such that the overall profit will be ***,we prove that the optimal selling price and investment in preservation exist and are ***,the total profit per unit time is a concave function of selling price and preservation technology *** algorithm is designed to obtain the optimum joint policy.A numerical example has been given to illustrate the model,and sensitivity analysis is conducted,which gives some managerial insights.

关键词： Multi-item inventory deterioration preservation technology shortages quadratic demand

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Pricing and ordering strategies in a two-echelon supply chain under price discount policy:a Stackelberg game approach

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Journal of Management Analytics 2021年第4期8卷 646-672页

作者： Rubi Das pijus kanti de Abhijit Barman department of Mathematics National Institute of Technology SilcharSilcharAssamIndia

Supply chain management coordinates different strategies for the production *** manufacturer requires some incentive schemes to motivate the retailer to change his policy,optimal for the whole *** paper suggests a discount mechanism by which companies can coordinate their ordering and pricing strategies throughout a supply chain model with a single manufacturer and single ***,the demand curve is iso-elastic price *** members have decided their selling price and order quantity jointly and independently to maximize the supply chain profit.A coordination mechanism is proposed based on quantity discounts to correlate pricing and ordering strategies *** decentralized case is analyzed under the manufacturer-Stackelberg game *** result of numerical investigation shows that the suggested discount mechanism has improved the supply chain profit as well as each channel member’s profit in comparison with the centralized and decentralized decisions without discount.

关键词： centralized supply chain decentralized supply chain discount pricing Stackelberg game iso-elastic price sensitive demand

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A Critical Overview on Quantum Computing

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Journal of Quantum Computing 2020年第4期2卷 181-192页

作者： Saptarshi Sahoo Amit Kumar Mandal pijus kanti Samanta Indranil Basu Pratik Roy Institute of Engineering and Management Salt Lake Electronics Complex Kolkata700091West BengalIndia department of Physics(PG&UG) Prabhat Kumar CollegeContai721404West BengalIndia

Quantum Computing and Quantum Information Science seem very promising and developing rapidly since its inception in early 1980s by Paul Benioff with the proposal of quantum mechanical model of the Turing machine and later By Richard Feynman and Yuri Manin for the proposal of a quantum computers for simulating various problems that classical computer could *** computers have a computational advantage for some problems,over classical computers and most applications are trying to use an efficient combination of classical and quantum computers like Shor’s factoring *** areas that are expected to be benefitted from quantum computing are Machine Learning and deep learning,molecular biology,genomics and cancer research,space exploration,atomic and nuclear research and macro-economic *** paper represents a brief overview of the state of art of quantum computing and quantum information science with discussions of various theoretical and experimental aspects adopted by the researchers.

关键词： Quantum computing quantum information science

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