Eργαστήριο Oργάνωσης Παραγωγής

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• G. Kozanidis (2025). An integrated column generation solution framework for optimal aircrew vacation planning subject to seniority ranking and priority preference satisfaction. Omega, 135, 103224.
• Deligiannis M, Benioudakis M, Liberopoulos G, Burnetas A (2024) Optimal pricing and capacity management in service systems with delay-sensitive mixed-risk customers. International Journal of Production Research (in press).
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• Deligiannis M, Liberopoulos G (2023) Dynamic ordering and buyer selection policies when service affects future demand. Omega 118 102873.
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• Deligiannis M, Liberopoulos G, Benioudakis, M (2023) Dynamic supplier competition and cooperation for buyer loyalty on service. International Journal of Production Economics 255 108706.
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• G. Kozanidis and E. Kostarelou (2023). An exact solution algorithm for integer bilevel programming with application in energy market optimization. Journal of Optimization Theory and Applications, 197(2): 573-607.
• Benioudakis M, Zissis D, Burnetas A, Ioannou G. 2023. Service provision on an aggregator platform with time-sensitive customers: Pricing strategies and coordination. International Journal of Production Economics 257 108760.
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• Deligiannis M, Liberopoulos G, Pandelis DG (2023) Managing supply chain risks with dual sourcing: Bayesian learning of censored supply capacity. International Journal of Production Economics 265 109002.
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• Liberopoulos G, Deligiannis M (2022) Optimal supplier inventory control policies when buyer purchase incidence is driven by past service. European Journal of Operational Research, 300(3):917-936.
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• Benioudakis M, Burnetas A, Ioannou G (2022) Single vs dynamic lead-time quotations in make-to-order systems with delay-averse customers. Annals of Operations Research 318:33–65.
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• E. Kostarelou and G. Kozanidis (2021). Bilevel programming solution algorithms for optimal price-bidding of energy producers in multi-period day-ahead electricity markets with non-convexities. Optimization and Engineering, 22(1): 449-484.
• Andrianesis P, Biskas P, Liberopoulos G (2021) Evaluating the cost of emissions in a pool-based electricity market. Applied Energy, online.
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• Benioudakis M, Burnetas A, Ioannou G (2021) Lead-time quotations in unobservable make-to-order systems with strategic customers: Risk aversion, load control and profit maximization. European Journal of Operational Research 289(1): 165-176.
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• Liberopoulos G (2020) Comparison of optimal buffer allocation in flow lines under installation buffer, echelon buffer, and CONWIP policies. Flexible Services and Manufacturing Journal 32(2):297-365.
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• G. Kozanidis (2018). Branch and price for covering shipments in a logistic distribution network with a fleet of aircraft. Optimization Methods and Software, 33(2): 221-248.
• Liberopoulos G (2018) Performance evaluation of a production line operated under an echelon buffer policy. IISE Transactions 50(3):161-177.
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• I. Papachristos and D.G. Pandelis (2018) Optimal dynamic allocation of collaborative servers in two station tandem systems, IEEE Transactions on Automatic Control (early access) DOI: 10.1109/TAC.2018.2852604.
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• G. Kozanidis (2017). Optimal assignment of aircrew trainees to simulator and classroom training sessions subject to seniority and preference restrictions. Journal of Air Transport Management, 59: 143-154.
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• A. Gavranis and G. Kozanidis (2017). Mixed integer biobjective quadratic programming for maximum-value minimum-variability fleet availability of a unit of mission aircraft. Computers and Industrial Engineering, 110: 13–29.
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• Liberopoulos G, Andrianesis P (2016) Critical review of pricing schemes in markets with non-convex costs. Operations Research 64(1):17-31.
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• A. Gavranis and G. Kozanidis (2015).  An exact solution algorithm for maximizing the fleet availability of a unit of aircraft subject to flight and maintenance requirements. European Journal of Operational Research, 242(2): 631-643.
• P. Longinidis, M.C. Georgiadis and G. Kozanidis (2015). Integrating operational hedging of exchange rate risk in the optimal design of global supply chain networks. Industrial & Engineering Chemistry Research, 54(24): 6311-6325.
• Kozanidis G, Gavranis A, Liberopoulos G (2014). Heuristics for flight and maintenance planning of mission aircraft.  Annals of Operations Research 221(1):211-238.
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• Saharidis G, Kolomvos G, Liberopoulos G (2014) Modeling and solution approach for the environmental traveling salesman problem. Engineering Letters 22(2):70-74.
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• D.G. Pandelis (2014) Optimal control of noncollaborative servers in two-stage tandem queueing systems, Naval Research Logistics 61, 435-446.
  
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• Liberopoulos G, Pandelis DG, Hatzikonstantinou O (2013) The stochastic economic lot sizing problem for non-stop multi-grade production with sequence-restricted setup changeovers. Annals of Operations Research 209(1):179-205.
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• Andrianesis P, Liberopoulos G, Kozanidis G, Papalexopoulos AD (2013) Recovery mechanisms in day-ahead electricity markets with non-convexities – Part I: Design and evaluation methodology. IEEE Transactions on Power Systems 28(2):960-968.
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• Andrianesis P, Liberopoulos G, Kozanidis G, Papalexopoulos AD (2013) Recovery mechanisms in day-ahead electricity markets with non-convexities – Part II: Implementation and numerical evaluation. IEEE Transactions on Power Systems 28(2):969-977.
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• Kozanidis G, Kostarelou E, Andrianesis P, Liberopoulos G (2013) Mixed integer parametric bilevel programming for optimal strategic bidding of energy producers in day-ahead electricity markets with indivisibilities. Optimization 62(8):1045-1068.
• D.G. Pandelis, C.C. Karamatsoukis, and E.G. Kyriakidis (2013) Single vehicle routing problems with a predefined customer order, unified load and stochastic discrete demands, Probability in the Engineering and Informational Sciences 27, 1-23.
  
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• D.G. Pandelis (2013) A note on preemptive scheduling of multiclass jobs with geometric service times and hard deadlines, Journal of Scheduling 16, 423-428.
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• D.G. Pandelis, C.C. Karamatsoukis, and E.G. Kyriakidis (2013) Finite and infinite-horizon single vehicle routing problems with a predefined customer sequence and pickup and delivery, European Journal of Operational Research 231, 577-586.
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• Karafa J., Golias M.M., Ivey S., Saharidis G.K.D. and Leonardos N. "The berth allocation problem with stochastic vessel handling times" International Journal of Advanced Manufacturing Technology, 2013; 65(1-4): 473-484.
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• Azad N., Davoudpour H., Saharidis G.K.D. and Shiripour M. "A new model to mitigating random disruption risks of facility and transportation in supply chain network design" International Journal of Advanced Manufacturing Technology, 2013; DOI 10.1007/s00170-013-5404-0.
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• Saharidis G.K.D. and Ierapetritou M.G. "Speed-up Benders decomposition using maximization density cut (MDC) generation" Annals of Operations Research, 2013; 210(1): 101-123.
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• Tang L., Jiang W. and Saharidis G.K.D. "An improved Benders decomposition algorithm for the logistics network design problem with capacity expansions of existing warehouses" Annals of Operations Research, 2013; 210(1): 165-190.
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• Azad N., Saharidis G.K.D., Davoudpour H., Malekly H. and Yektamaram S.A. "Strategies for protecting supply chain networks against facility and transportation disruptions: An improved Benders decomposition approach" Annals of Operations Research, 2013; 210(1): 125-163.
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• G. Kozanidis, A. Gavranis and E. Kostarelou (2012). Mixed integer least squares optimization for flight and maintenance planning of mission aircraft. Naval Research Logistics, 59(3-4): 212-229.
• D.G. Pandelis, E.G. Kyriakidis, and T.D. Dimitrakos (2012) Single vehicle routing problems with a predefined customer sequence, compartmentalized load and stochastic demands, European Journal of Operational Research 217, 324-332.
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• O. Hatzikonstantinou, E. Athanasiou, and D.G. Pandelis (2012) Real-time production scheduling in a multi-grade PET resin plant under demand uncertainty, Computers and Chemical Engineering 40, 191-201.
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• D.G. Pandelis and M.P. Van Oyen (2012) Sample path optimal policies for serial lines with flexible workers, Journal of Applied Probability 49, 582-589.
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• H. Parvin, M.P. Van Oyen, D.G. Pandelis, D.P. Williams, and J. Lee (2012) Fixed task zone chaining: worker coordination and zone design for inexpensive cross-training in serial CONWIP lines, IIE Transactions 44, 894-914.
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• Andrianesis, P., G. Fikioris. 2012. Superdirective-type near fields in the method of auxiliary sources. IEEE Transactions on Antennas and Propagation 60 (6) 3056-3060.
• Papalexopoulos, A., P. Andrianesis. 2012. Performance-based pricing of frequency regulation in electricity markets, IEEE Transactions on Power Systems (Special Section on Electricity Markets Operation) accepted for publication.
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• Golias M.M., Saharidis G.K.D., Boile M. and Theofanis S. "Scheduling of inbound trucks at a cross-docking facility: bi-objective vs bi-level modeling approaches" International Journal of Information Systems and Supply Chain Management, 2012; 5(1): 20-37.
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• Andrianesis P, Biskas P, Liberopoulos G (2011) An overview of Greece's wholesale electricity market with emphasis on ancillary services. Electric Power Systems Research 81(8):1631-1642.
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• Saharidis G.K.D., Androulakis I.P. and Ierapetritou M.G. "Model building using bi-level optimization" Journal of Global Optimization 2011; 49(1): 49–67.
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• Saharidis G.K.D., Boile M. and Theofanis S. "Initialization of the Benders master problem using valid inequalities applied to fixed-charge network problems" Expert Systems With Applications 2011; 38(6): 6627-6636.
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• Liberopoulos G, Tsikis I, Delikouras S (2010) Backorder penalty cost coefficient "b": What could it be? International Journal of Production Economics 123(1):166-178.
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• Kozanidis G, Liberopoulos G, Pitsilkas C (2010) Flight and maintenance planning of military aircraft for maximum fleet availability. Military Operations Research 15(1):53-73.
• Liberopoulos G, Kozanidis G, Hatzikonstantinou O (2010) Production scheduling of a multi-grade PET resin plant. Computers and Chemical Engineering 34(3):387-400.
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• D.G. Pandelis (2010), Markov decision processes with multidimensional action spaces, European Journal of Operational Research, 200-2, 625-628.
• Saharidis G.K.D., Golias M.M, Boile M., Theofanis S. and Ierapetritou M.G. "The berth scheduling problem with customer differentiation: A new methodological approach based on hierarchical optimization" International Journal of Advanced Manufacturing Technology 2010; 46(1-4): 377-393.
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• Saharidis G.K.D., Minoux M. and Ierapetritou M.G. "Accelerating Benders method using covering cut bundle generation" International Transaction in Operational Research 2010; 17(2): 221-237.
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• Zhang T., Saharidis G.K.D., Theofanis S. and Boile M. "Scheduling of inbound and outbound trucks at cross-docks: modeling and analysis" Transportation Research Record: Journal of the Transportation Research Board 2010; 2162: 9-16.
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• Saharidis G.K.D. and Ierapetritou M.G. "Improving Benders decomposition using maximum feasible subsystem (MFS) cut generation strategy" Computers and Chemical Engineering 2010; 34(8-9): 1237-1245.
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• G. Kozanidis (2009). Solving the linear multiple choice knapsack problem with two objectives: profit and equity. Computational Optimization and Applications, 43(2): 261-294.
• G. Kozanidis (2009). A multiobjective model for maximizing fleet availability under the presence of flight and maintenance requirements. Journal of Advanced Transportation, 43(2): 155-182.
• Andrianesis A, Liberopoulos G, Sakellaris K, Vlachos A (2009) Impact of reserve and fixed costs on the day-ahead scheduling problem in Greece's electricity market. Euro-Asian Journal of Sustainable Energy Development Policy 2(2):45-53.
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• Foteinou P., Yang E., Saharidis G.K.D., Ierapetritou M.G. and Androulakis I.P. "A mixed-integer optimization framework for the synthesis and analysis of regulatory networks" Journal of Global Optimization 2009; 43(2-3): 263-276.
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• Saharidis G.K.D. and Ierapetritou M.G. "Scheduling of loading and unloading of crude oil in a refinery with optimal mixture preparation" Industrial and Engineering Chemistry Research 2009; 48(5): 2624-2633.
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• Saharidis G.K.D. and Ierapetritou M.G. "Resolution method for mixed integer bi-level linear problem based on decomposition technique" Journal of Global Optimization 2009; 44(1): 29-51.
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• Saharidis G.K.D., Minoux M. and Dallery Y. "Scheduling of loading and unloading of crude oil in a refinery using event-based discrete time formulation" Computer and Chemical Engineering 2009; 33(8): 1413-1426.
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• Golias M.M., Saharidis G.K.D., Boile M., Theofanis S. and Ierapetritou M.G. "The berth allocation problem: Optimizing vessel arrival time" Maritime Economics and Logistics 2009; 11(4): 358-377.
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• Shah N., Saharidis G.K.D., Jia Z. and Ierapetritou M.G. "Centralized-decentralized optimization for refinery scheduling" Computer and Chemical Engineering 2009; 33(12): 2091-2105.
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• Liberopoulos G (2008) On the tradeoff between optimal order-base-stock levels and demand-lead-times. European Journal of Operational Research 190(1):136-155.
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• Liberopoulos G, Koukoumialos S (2008) On the effect of variability and uncertainty in advance demand information on the performance of a make-to-stock supplier. MIBES Transactions International Journal 2(1):95-114.
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• D.G. Pandelis (2008), “Optimal control of flexible servers in two tandem queues with operating costs,” Probability in the Engineering and Informational Sciences 22, 107-131.
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• D.G. Pandelis (2008), “Optimal stochastic scheduling of two interconnected queues with varying service rates,” Operations Research Letters, 36 (4) 492-495.
• Lagodimos, A.G., S. Koukoumialos. 2008. Service performance of two-echelon supply chains under linear rationing. International Journal of Production Economics 112 869-884.
• Saharidis G.K.D., Kouikoglou V. and Dallery Y. "Centralized and decentralized control policies for a two-stage stochastic supply chain with subcontracting" International Journal of Production Economics 2009; 117(1): 117-126.
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• Liberopoulos G, Kozanidis G, Tsarouhas P (2007) Performance evaluation of an automatic transfer line with WIP scrapping during long failures. Manufacturing & Service Operations Management 9(1):62-83.
• D.G. Pandelis (2007), “Optimal preemptive scheduling on uniform machines with discounted flowtime objectives,” European Journal of Operational Research 177, 630-637.
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• D.G. Pandelis (2007), “Optimal use of excess capacity in two interconnected queues,” Mathematical Methods of Operations Research 65, 179-192.
• Saharidis G.K.D., Dallery Y. and Karaesmen F. "Centralized versus decentralized production planning" RAIRO Operational Research 2006; 40: 113-128.
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• Koukoumialos S, Liberopoulos G (2005) An analytical method for the performance evaluation of echelon kanban control systems. OR Spectrum 27(2-3):339-368.
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• Liberopoulos G, Tsarouhas P (2005) Reliability analysis of an automated pizza production line. Journal of Food Engineering 69(1):79-96.
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• Liberopoulos G, Koukoumialos S (2005) Tradeoffs between base stock levels, numbers of kanbans, and production lead times in production/inventory systems with advance demand information. International Journal of Production Economics 96(2):213-232.
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• G. Kozanidis, E. Melachrinoudis and M. Solomon (2005). The linear multiple choice knapsack problem with equity constraints. International Journal of Operational Research, 1/2: 52-73.

• Karaesmen F, Liberopoulos G, Dallery Y (2004) The value of advance demand information in production/inventory systems. Annals of Operations Research 126(1-4):135-157.
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• Tsarouhas P, Liberopoulos G (2004) Determining quality inspection frequency in an automated production line based on field failure data analysis. Operational Research: An International Journal 4(3):305-315.
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• G. Kozanidis and E. Melachrinoudis (2004). A branch & bound algorithm for the 0-1 mixed integer knapsack problem with linear multiple choice constraints. Computers and Operations Research, 31: 695-711.
• Liberopoulos G, Dallery Y (2003) Comparative modelling of multi-stage production-inventory control policies with lot sizing. International Journal of Production Research 41(6):1273-1298.
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• Liberopoulos G, Tsarouhas P (2002) Systems analysis speeds up Chipita’s food-processing line. Interfaces 32(3):62-76.
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• Liberopoulos G (2002) Production capacity modeling of alternative, nonidentical, flexible machines. International Journal of Flexible Manufacturing Systems 14(4):345-359.
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• Liberopoulos G, Dallery Y (2002) Base stock versus WIP cap in single-stage make-to-stock production-inventory systems. IIE Transactions 34(7):627-636.
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• E. Melachrinoudis and G. Kozanidis (2002). A mixed integer knapsack model for allocating funds to highway safety improvements. Transportation Research Part A: Policy and Practice. 36(9): 789-803.

• Chaouiya C, Liberopoulos G, Dallery Y (2000) The extended kanban system for production coordination of assembly systems. IIE Transactions 32(10):999-1012.
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• Dallery Y, Liberopoulos G (2000) Extended kanban control system: Combining kanban and base stock. IIE Transactions 32(4):369-386.
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• Liberopoulos G, Dallery Y (2000) A unified framework for pull control mechanisms in multi-stage manufacturing systems. Annals of Operations Research 93(1-4):325-355.
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• D.G. Pandelis and D. Teneketzis (1999), “On the optimality of the Gittins index rule for multi-armed bandits with multiple plays,” Mathematical Methods of Operations Research 50-3, 449-461.
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• Liberopoulos G, Caramanis M (1997) Numerical investigation of optimal policies for production flow control and set-up scheduling: Lessons from two-part-type, failure-prone FMSs. International Journal of Production Research 35(8):2109-2133.
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• D.G. Pandelis and D. Teneketzis (1996), “A simple load balancing problem with decentralized information,” Mathematical Methods of Operations Research 44-1, 97-113.
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• D.G. Pandelis and D. Teneketzis (1996), “Optimal sequencing in multiserver systems,” Probability in the Engineering and Informational Sciences 10, 377-396.
• Liberopoulos G, Hu JQ  (1995) On the ordering of optimal hedging points in a class of manufacturing flow control models. IEEE Transactions on Automatic Control 40(2):282-286.
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• Liberopoulos G, Caramanis M (1995) Dynamics and design of a class of parameterized manufacturing flow controllers. IEEE Transactions on Automatic Control 40(6):1018-1028.
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• Liberopoulos G, Caramanis M (1994) Production control of manufacturing systems with production rate dependent failure rates. IEEE Transactions on Automatic Control 39(4):889-895.
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• Liberopoulos G, Caramanis M (1994) Infinitesimal perturbation analysis for second derivative estimation and design of manufacturing flow controllers. Journal of Optimization Theory and Applications 81(2):297-327.
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• D.G. Pandelis and D. Teneketzis (1994), “Optimal multiserver stochastic scheduling of two interconnected priority queues,” Advances in Applied Probability 26, 258-279.
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• D.G. Pandelis and D. Teneketzis (1994), “Optimal stochastic dynamic scheduling in multiclass queues with tardiness and/or earliness penalties,” Probability in the Engineering and Informational Sciences 8, 491-509.
• D.G. Pandelis and D. Teneketzis (1993), “Stochastic scheduling in priority queues with strict deadlines,” Probability in the Engineering and Informational Sciences 7, 273-289.
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• Caramanis M, Liberopoulos G (1992) Perturbation analysis for the design of flexible manufacturing system flow controllers. Operations Research 40(6):1107-1125.
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• M.P. Van Oyen, D.G. Pandelis, and D. Teneketzis (1992), “Optimality of index policies for stochastic scheduling problems with switching penalties,” Journal of Applied Probability 29, 957-966.
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• P.D. Kaklis and D.G. Pandelis (1990), “Convexity-preserving polynomial splines of non-uniform degree,” IMA Journal of Numerical Analysis 10, 223-234.