(2023) 2023 International Transaction in Operations Research (ITOR) Best Paper Award.
(2019) John L. Imhoff Global Excellence Award for Industrial Engineering Education, American Society for Engineering Education (ASEE),.
(2019) Distinguished Alumnus Award; National Institute of Technology, Trichy, India.
(2016) Fellow, Institute of Industrial and Systems Engineering.
(2011) Certificate of Excellence, University of Pittsburgh SSOE Office of Diversity.
(2006) Industrial Engineering Faculty Honor Roll student award.
(2004) ASEE Industrial Engineering Division Best Paper Award.
(2003) Beitle-Veltri Teaching Award, School of Engineering, University of Pittsburgh.
(2002) IIE Transactions Best Application Paper Award.
(1987) Lilly Endowment Teaching Fellowship.
Fulbright senior scholar: Universidad de Montevideo, Uruguay (2004); Universidad Nacional, Colombia (2007).
Ph.D., Industrial and Management Engineering, The University of Iowa, 1980 - 1985
M.S., Industrial and Management Engineering, The University of Iowa, 1980 - 1982
B.Tech., Chemical Engineering, The University of Madras, 1975 - 1980
Scala, N.M., Rajgopal, J., Mezgebe, Y., & Dehlinger, J. (2024). An information-theoretic analysis of security behavior intentions amongst United States poll workers. Risk Anal.Wiley. doi: 10.1111/risa.17682.
Munoz-Valencia, A., Aridi, J.O., Barnes, L.S., Rudd, K.E., Bidanda, B., Epuu, T., Kamu, R., Kivuli, T., Macleod, J., Makanga, C.M., Makin, J., Mate, M., Muiru, C.N., Murithi, G., Musa, A., Nyagol, H., Ochieng, K., Rajgopal, J., Raykar, N.P., Tian, Y., Yazer, M.H., Zeng, B., Olayo, B., Kumar, P., & Puyana, J.C. (2023). Protocol: identifying policy, system, and environment change interventions to enhance availability of blood for transfusion in Kenya, a mixed-methods study. BMC Health Serv Res, 23(1), 963.Springer Nature. doi: 10.1186/s12913-023-09936-0.
Alghamdi, D., Basulaiman, K., & Rajgopal, J. (2022). Multi-stage deep probabilistic prediction for travel demand. APPLIED INTELLIGENCE, 52(10), 11214-11231.Springer Nature. doi: 10.1007/s10489-021-03047-1.
Delaney, M., Telke, S., Zou, S., Williams, M.J., Aridi, J.O., Rudd, K.E., Puyana, J.C., Kumar, P., Appiah, B., Dei-Adomakoh, Y., Asamoah-Akuoko, L., Olayemi, E., Singogo, E., Hosseinipour, M.C., M'baya, B., Chipeta, E., Reilly, C., BLOODSAFE Program Investigators, Kamu, R., Aridi, J., Munoz-Valencia, A., Raykar, N., Barnes, L., Makin, J., Bidanda, B., Yazer, M.H., MacLeod, J., Muiri, C.N., Olayo, B., Murithi, G., Rajgopal, J., Tian, Y., Zeng, B., Kivuli, T., Mate, M., Musa, A., Mical, C., Nyagol, H., Ochieng, K., Epuu, T., Kuma, A.B.A., Segbefia, C., Yawson, A., Adu-Afarwuah, S., Adongo, P., Acquah, M., Tancred, T., Dei, E.N., Bates, I., Ofori-Acquah, S., Ansah, J.K., John-Teye, D., Cohn, C., Chu, H., Burns, A., Croal, M., Eckroth, K., Van Ryn, C., Chiwindo, T., Mwapasa, V., Muula, A., Mhango, P., Kayira, P., Likaka, A., Dzama, W., Nsamala, N., Kadewere, G., & Joshua, M. (2022). The BLOODSAFE program: Building the future of access to safe blood in Sub-Saharan Africa. Transfusion, 62(11), 2282-2290.Wiley. doi: 10.1111/trf.17091.
Lim, J., Norman, B.A., & Rajgopal, J. (2022). Redesign of vaccine distribution networks. INTERNATIONAL TRANSACTIONS IN OPERATIONAL RESEARCH, 29(1), 200-225.Wiley. doi: 10.1111/itor.12758.
Raykar, N.P., Makin, J., Khajanchi, M., Olayo, B., Munoz Valencia, A., Roy, N., Ottolino, P., Zinco, A., MacLeod, J., Yazer, M., Rajgopal, J., Zeng, B., Lee, H.K., Bidanda, B., Kumar, P., Puyana, J.C., & Rudd, K. (2021). Assessing the global burden of hemorrhage: The global blood supply, deficits, and potential solutions. SAGE Open Med, 9, 20503121211054995.SAGE Publications. doi: 10.1177/20503121211054995.
Yang, Y., & Rajgopal, J. (2021). Outreach Strategies for Vaccine Distribution: A Multi-period Stochastic Modeling Approach. Operations Research Forum, 2(2), 24.Springer Nature. doi: 10.1007/s43069-021-00064-1.
Yang, Y., Bidkhori, H., & Rajgopal, J. (2021). Optimizing vaccine distribution networks in low and middle-income countries. OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE, 99, 102197.Elsevier. doi: 10.1016/j.omega.2020.102197.
Esmaili, N., Norman, B.A., & Rajgopal, J. (2019). Exact analysis of (R, s, S) inventory control systems with lost sales and zero lead time. NAVAL RESEARCH LOGISTICS, 66(2), 123-132.Wiley. doi: 10.1002/nav.21833.
Esmaili, N., Norman, B.A., & Rajgopal, J. (2018). Shelf-space optimization models in decentralized automated dispensing cabinets. Operations Research for Health Care, 19, 92-106.Elsevier. doi: 10.1016/j.orhc.2018.03.005.
Mofrad, M., Maillart, L., Norman, B., & Rajgopal, J. (2018). Multi-Dose Vial Administration with Non-Stationary Demand and Delayed Service. Operations Research for Health Care, 19, 66-79.Elsevier.
Lim, J., Norman, B., & Rajgopal, J. (2017). Outreach Planning Models for EPI Vaccination Programs in Low and Middle Income Countries. Operations Research for Healthcare, 9(1), 17-25.
Lim, J., Norman, B.A., & Rajgopal, J. (2017). Process Redesign and Simplified Policies for More Effective Vaccine Inventory Management. ENGINEERING MANAGEMENT JOURNAL, 29(1), 17-25.Taylor & Francis. doi: 10.1080/10429247.2016.1277446.
Wang, L., Norman, B.A., & Rajgopal, J. (2017). Maximizing read accuracy by optimally locating RFID interrogators. In RFID Handbook: Applications, Technology, Security, and Privacy. (pp. 181-198).CRC Press, Taylor and Francis Group. doi: 10.1201/9781420055009.
Yang, Y., Hefley, W.E., & Rajgopal, J. (2017). The economics of distributed power: A Marcellus Shale case study. COMPUTERS & INDUSTRIAL ENGINEERING, 113, 558-569.Elsevier. doi: 10.1016/j.cie.2017.09.041.
Lim, J., Claypool, E., Norman, B.A., & Rajgopal, J. (2016). Coverage models to determine outreach vaccination center locations in low and middle income countries. Oper Res Health Care, 9, 40-48.Elsevier. doi: 10.1016/j.orhc.2016.02.003.
Mofrad, M.H., Garcia, G.G.P., Maillart, L.M., Norman, B.A., & Rajgopal, J. (2016). Customizing immunization clinic operations to minimize open vial waste. SOCIO-ECONOMIC PLANNING SCIENCES, 54, 1-17.Elsevier. doi: 10.1016/j.seps.2015.10.007.
Scala, N.M., Rajgopal, J., Vargas, L.G., & Needy, K.L. (2016). Group Decision Making with Dispersion in the Analytic Hierarchy Process. GROUP DECISION AND NEGOTIATION, 25(2), 355-372.Springer Nature. doi: 10.1007/s10726-015-9445-7.
Chen, S.I., Norman, B.A., Rajgopal, J., & Lee, B.Y. (2015). Passive cold devices for vaccine supply chains. ANNALS OF OPERATIONS RESEARCH, 230(1), 87-104.Springer Nature. doi: 10.1007/s10479-013-1502-5.
Lee, B.Y., Connor, D.L., Wateska, A.R., Norman, B.A., Rajgopal, J., Cakouros, B.E., Chen, S.I., Claypool, E.G., Haidari, L.A., Karir, V., Leonard, J., Mueller, L.E., Paul, P., Schmitz, M.M., Welling, J.S., Weng, Y.T., & Brown, S.T. (2015). Landscaping the structures of GAVI country vaccine supply chains and testing the effects of radical redesign. Vaccine, 33(36), 4451-4458.Elsevier. doi: 10.1016/j.vaccine.2015.07.033.
Norman, B.A., Rajgopal, J., Lim, J., Gorham, K., Haidari, L., Brown, S.T., & Lee, B.Y. (2015). Modular vaccine packaging increases packing efficiency. Vaccine, 33(27), 3135-3141.Elsevier. doi: 10.1016/j.vaccine.2015.04.091.
Portnoy, A., Ozawa, S., Grewal, S., Norman, B.A., Rajgopal, J., Gorham, K.M., Haidari, L.A., Brown, S.T., & Lee, B.Y. (2015). Costs of vaccine programs across 94 low- and middle-income countries. Vaccine, 33 Suppl 1(S1), A99-108.Elsevier. doi: 10.1016/j.vaccine.2014.12.037.
Brown, S.T., Schreiber, B., Cakouros, B.E., Wateska, A.R., Dicko, H.M., Connor, D.L., Jaillard, P., Mvundura, M., Norman, B.A., Levin, C., Rajgopal, J., Avella, M., Lebrun, C., Claypool, E., Paul, P., & Lee, B.Y. (2014). The benefits of redesigning Benin's vaccine supply chain. Vaccine, 32(32), 4097-4103.Elsevier. doi: 10.1016/j.vaccine.2014.04.090.
Chen, S.I., Norman, B.A., Rajgopal, J., Assi, T., Lee, B.Y., & Brown, S.T. (2014). A planning model for the WHO-EPI vaccine distribution network in developing countries. IIE TRANSACTIONS, 46(8), 853-865.Taylor & Francis. doi: 10.1080/0740817X.2013.813094.
Mofrad, M.H., Maillart, L.M., Norman, B.A., & Rajgopal, J. (2014). Dynamically optimizing the administration of vaccines from multi-dose vials. IIE TRANSACTIONS, 46(7), 623-635.Taylor & Francis. doi: 10.1080/0740817X.2013.849834.
Scala, N.M., Rajgopal, J., & Needy, K.L. (2014). Managing Nuclear Spare Parts Inventories: A Data Driven Methodology. IEEE TRANSACTIONS ON ENGINEERING MANAGEMENT, 61(1), 28-37.Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/TEM.2013.2283170.
Assi, T.M., Brown, S.T., Kone, S., Norman, B.A., Djibo, A., Connor, D.L., Wateska, A.R., Rajgopal, J., Slayton, R.B., & Lee, B.Y. (2013). Removing the regional level from the Niger vaccine supply chain. Vaccine, 31(26), 2828-2834.Elsevier. doi: 10.1016/j.vaccine.2013.04.011.
Haidari, L.A., Connor, D.L., Wateska, A.R., Brown, S.T., Mueller, L.E., Norman, B.A., Schmitz, M.M., Paul, P., Rajgopal, J., Welling, J.S., Leonard, J., Chen, S.I., & Lee, B.Y. (2013). Augmenting transport versus increasing cold storage to improve vaccine supply chains. In Convertino, M. (Ed.). PLoS One, 8(5), e64303.Public Library of Science (PLoS). doi: 10.1371/journal.pone.0064303.
Haidari, L.A., Connor, D.L., Wateska, A.R., Brown, S.T., Mueller, L.E., Norman, B.A., Schmitz, M.M., Paul, P., Rajgopal, J., Welling, J.S., Leonard, J., Claypool, E.G., Weng, Y.T., Chen, S.I., & Lee, B.Y. (2013). Only adding stationary storage to vaccine supply chains may create and worsen transport bottlenecks. J Public Health Manag Pract, 19 Suppl 2(0 2), S65-S67.Wolters Kluwer. doi: 10.1097/PHH.0b013e31828a83fe.
Norman, B.A., Nourollahi, S., Chen, S.I., Brown, S.T., Claypool, E.G., Connor, D.L., Schmitz, M.M., Rajgopal, J., Wateska, A.R., & Lee, B.Y. (2013). A passive cold storage device economic model to evaluate selected immunization location scenarios. Vaccine, 31(45), 5232-5238.Elsevier. doi: 10.1016/j.vaccine.2013.08.079.
Scala, N.M., Rajgopal, J., & Needy, K.L. (2013). A Base Stock Inventory Management System for Intermittent Spare Parts. MILITARY OPERATIONS RESEARCH, 18(3), 63-77.Military Operations Research Society. doi: 10.5711/1082598318363.
Assi, T.M., Rookkapan, K., Rajgopal, J., Sornsrivichai, V., Brown, S.T., Welling, J.S., Norman, B.A., Connor, D.L., Chen, S.I., Slayton, R.B., Laosiritaworn, Y., Wateska, A.R., Wisniewski, S.R., & Lee, B.Y. (2012). How influenza vaccination policy may affect vaccine logistics. Vaccine, 30(30), 4517-4523.Elsevier. doi: 10.1016/j.vaccine.2012.04.041.
Lee, B.Y., Assi, T.M., Rajgopal, J., Norman, B.A., Chen, S.I., Brown, S.T., Slayton, R.B., Kone, S., Kenea, H., Welling, J.S., Connor, D.L., Wateska, A.R., Jana, A., Wiringa, A.E., Van Panhuis, W.G., & Burke, D.S. (2012). Impact of introducing the pneumococcal and rotavirus vaccines into the routine immunization program in Niger. Am J Public Health, 102(2), 269-276.American Public Health Association. doi: 10.2105/AJPH.2011.300218.
Ogirala, A., Sai, V., Kamrani, A., Rajgopal, J., Norman, B.A., Hawrylak, P.J., & Mickle, M.H. (2012). Ultra high-speed and low-power flexible architecture using state transition matrix model for EPC GEN-2 communication protocol processor. International Journal of Modelling and Simulation, 32(3), 198-205. doi: 10.2316/Journal.205.2012.3.205-5689).
Scala, N.M., Rajgopal, J., & Needy, K.L.S. (2012). Decision Making in Service Industries. In Decision Making in Service Industries: A Practical Approach, Faulin, J., Juan, A.A., Grasman, S.E., & Fry, M.J. (Eds.). (pp. 365-392).CRC Press. doi: 10.1201/b12665.
Abdulmalek, F., Wang, L., Norman, B.A., & Rajgopal, J. (2011). Retail shelf replenishment with item-level RFID tagging. International Journal of Industrial and Systems Engineering, 8(1), 19.Inderscience Publishers. doi: 10.1504/ijise.2011.040764.
Assi, T.M., Brown, S.T., Djibo, A., Norman, B.A., Rajgopal, J., Welling, J.S., Chen, S.I., Bailey, R.R., Kone, S., Kenea, H., Connor, D.L., Wateska, A.R., Jana, A., Wisniewski, S.R., Van Panhuis, W.G., Burke, D.S., & Lee, B.Y. (2011). Impact of changing the measles vaccine vial size on Niger's vaccine supply chain: a computational model. BMC PUBLIC HEALTH, 11(1), 425.Springer Nature. doi: 10.1186/1471-2458-11-425.
Assi, T.M., Brown, S.T., Djibo, A., Norman, B.A., Rajgopal, J., Welling, J.S., Chen, S.I., Bailey, R.R., Kone, S., Kenea, H., Connor, D.L., Wateska, A.R., Jana, A., Wisniewski, S.R., Van Panhuis, W.G., Burke, D.S., & Lee, B.Y. (2011). Impact of changing the measles vaccine vial size on Niger's vaccine supply chain: a computational model. BMC Public Health, 11, 425. doi: 10.1186/1471-2458-11-425.
Hawrylak, P.J., Ogirala, A., Norman, B.A., Rajgopal, J., & Mickle, M.H. (2011). Enabling Real-Time Management and Visibility with RFID. In Management Engineering for Effective Healthcare Delivery. (pp. 172-190).IGI Global. doi: 10.4018/978-1-60960-872-9.ch008.
Lee, B.Y., Assi, T.M., Rookkapan, K., Connor, D.L., Rajgopal, J., Sornsrivichai, V., Brown, S.T., Welling, J.S., Norman, B.A., Chen, S.I., Bailey, R.R., Wiringa, A.E., Wateska, A.R., Jana, A., Van Panhuis, W.G., & Burke, D.S. (2011). Replacing the measles ten-dose vaccine presentation with the single-dose presentation in Thailand. Vaccine, 29(21), 3811-3817.Elsevier. doi: 10.1016/j.vaccine.2011.03.013.
Lee, B.Y., Assi, T.M., Rookkapan, K., Wateska, A.R., Rajgopal, J., Sornsrivichai, V., Chen, S.I., Brown, S.T., Welling, J., Norman, B.A., Connor, D.L., Bailey, R.R., Jana, A., Van Panhuis, W.G., & Burke, D.S. (2011). Maintaining Vaccine Delivery Following the Introduction of the Rotavirus and Pneumococcal Vaccines in Thailand. In Galvani, A.P. (Ed.). PLOS ONE, 6(9), e24673.Public Library of Science (PLoS). doi: 10.1371/journal.pone.0024673.
Lee, B.Y., Assi, T.M., Rookkapan, K., Wateska, A.R., Rajgopal, J., Sornsrivichai, V., Chen, S.I., Brown, S.T., Welling, J., Norman, B.A., Connor, D.L., Bailey, R.R., Jana, A., Van Panhuis, W.G., & Burke, D.S. (2011). Maintaining vaccine delivery following the introduction of the rotavirus and pneumococcal vaccines in Thailand. In Galvani, A.P. (Ed.). PLoS One, 6(9), e24673.Public Library of Science (PLoS). doi: 10.1371/journal.pone.0024673.
Rajgopal, J., Connor, D.L., Assi, T.M., Norman, B.A., Chen, S.I., Bailey, R.R., Long, A.R., Wateska, A.R., Bacon, K.M., Brown, S.T., Burke, D.S., & Lee, B.Y. (2011). The optimal number of routine vaccines to order at health clinics in low or middle income countries. Vaccine, 29(33), 5512-5518.Elsevier. doi: 10.1016/j.vaccine.2011.05.044.
Rajgopal, J., Wang, Z., Schaefer, A.J., & Prokopyev, O.A. (2011). Integrated design and operation of remnant inventory supply chains under uncertainty. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 214(2), 358-364.Elsevier. doi: 10.1016/j.ejor.2011.04.039.
Shylo, O.V., Prokopyev, O.A., & Rajgopal, J. (2011). On algorithm portfolios and restart strategies. OPERATIONS RESEARCH LETTERS, 39(1), 49-52.Elsevier. doi: 10.1016/j.orl.2010.10.003.
Lee, B.Y., Norman, B.A., Assi, T.M., Chen, S.I., Bailey, R.R., Rajgopal, J., Brown, S.T., Wiringa, A.E., & Burke, D.S. (2010). Single versus multi-dose vaccine vials: an economic computational model. Vaccine, 28(32), 5292-5300.Elsevier. doi: 10.1016/j.vaccine.2010.05.048.
Maillart, L.M., Kamrani, A., Norman, B.A., Rajgopal, J., & Hawrylak, P.J. (2010). Optimizing RFID tag-inventorying algorithms. IIE TRANSACTIONS, 42(9), 690-702.Taylor & Francis. doi: 10.1080/07408171003705714.
Rajgopal, J., Wang, Z., Schaefer, A., & Prokopyev, O. (2009). Effective management policies for remnant inventory supply chains. IIE TRANSACTIONS, 41(5), 437-447.Taylor & Francis. doi: 10.1080/07408170802516298.
Abdulmalek, F.A., & Rajgopal, J. (2007). Analyzing the benefits of lean manufacturing and value stream mapping via simulation: A process sector case study. INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS, 107(1), 223-236.Elsevier. doi: 10.1016/j.ijpe.2006.09.009.
Wang, L., Norman, B.A., & Rajgopal, J. (2007). Placement of multiple RFID reader antennas to maximize portal read accuracy. International Journal of Radio Frequency Identification Technology and Applications, 1(3), 260.Inderscience. doi: 10.1504/ijrfita.2007.015850.
Abdulmalek, F.A., Rajgopal, J., & Needy, K.L. (2006). A Classification Scheme for the Process Industry to Guide the Implementation of Lean. Engineering Management Journal, 18(2), 15-25.Taylor & Francis. doi: 10.1080/10429247.2006.11431690.
Adickes, M.D., Billo, R.E., Norman, B.A., Banerjee, S., Nnaji, B.O., & Rajgopal, J. (2002). Optimization of indoor wireless communication network layouts. IIE TRANSACTIONS, 34(9), 823-836.Springer Nature. doi: 10.1023/a:1015505023013.
ADICKES, M.D., BILLO, R.E., NORMAN, B.A., BANERJEE, S., NNAJI, B.O., & RAJGOPAL, J.A. (2002). Optimization of indoor wireless communication network layouts. IIE Transactions, 34(9), 823-836.Taylor & Francis. doi: 10.1080/07408170208928915.
Rajgopal, J., & Bricker, D.L. (2002). Solving posynomial geometric programming problems via generalized linear programming. COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, 21(1), 95-109.Springer Nature. doi: 10.1023/A:1013500514075.
Rajgopal, J., & Mazumdar, M. (2002). Modular operational test plans for inferences on software reliability based on a Markov model. IEEE TRANSACTIONS ON SOFTWARE ENGINEERING, 28(4), 358-363.Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/TSE.2002.995424.
Aiyer, J., & Rajgopal, J. (2001). Managing cable TV commercial inventories via program promotion. Marketing Intelligence & Planning, 19(1), 45-55.Emerald. doi: 10.1108/02634500110363808.
Rajgopal, J., & Mazumdar, M. (2001). Ch. 25. System-based component test plans for reliability demonstration: A review and survey of the state-of-the-art. 20, 659-677.Elsevier. doi: 10.1016/s0169-7161(01)20027-3.
Federowicz, A.J., & Rajgopal, J. (1999). Robustness of posynomial geometric programming optima. MATHEMATICAL PROGRAMMING, 85(2), 423-431.Springer Nature. doi: 10.1007/s101070050065.
Majety, S.R.V., Dawande, M., & Rajgopal, J. (1999). Optimal reliability allocation with discrete cost-reliability data for components. OPERATIONS RESEARCH, 47(6), 899-906.Institute for Operations Research and the Management Sciences (INFORMS). doi: 10.1287/opre.47.6.899.
Rajgopal, J., Mazumdar, M., & Majety, S.R.V. (1999). Optimum combined test plans for systems and components. IIE TRANSACTIONS, 31(6), 481-490.Springer Nature. doi: 10.1023/a:1007692620610.
RAJGOPAL, J., MAZUMDAR, M., & MAJETY, S.R.V. (1999). Optimum combined test plans for systems and components. IIE Transactions, 31(6), 481-490.Taylor & Francis. doi: 10.1080/07408179908969851.
Rajgopal, J., & Mazumdar, M. (1997). Minimum cost component test plans for evaluating reliability of a highly reliable parallel system. NAVAL RESEARCH LOGISTICS, 44(5), 401-418.Wiley. doi: 10.1002/(sici)1520-6750(199708)44:5<401::aid-nav1>3.0.co;2-8.
Rajgopal, J., & Mazumdar, M. (1996). A system-based component test plan for a series system, with type-II censoring. IEEE TRANSACTIONS ON RELIABILITY, 45(3), 375-378.Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/24.536988.
RAJGOPAL, J., & MAZUMDAR, M. (1995). DESIGNING COMPONENT TEST PLANS FOR SERIES SYSTEM RELIABILITY VIA MATHEMATICAL-PROGRAMMING. TECHNOMETRICS, 37(2), 195-212.Informa UK Limited. doi: 10.2307/1269621.
Rajgopal, J., Mazumdar, M., & Savits, T.H. (1994). Some Properties of the Poisson Distribution with an Application to Reliability Testing. Probability in the Engineering and Informational Sciences, 8(3), 345-354.Cambridge University Press (CUP). doi: 10.1017/s0269964800003454.
BRICKER, D.L., CHOI, J.C., & RAJGOPAL, J. (1993). ON GEOMETRIC-PROGRAMMING PROBLEMS HAVING NEGATIVE DEGREES OF DIFFICULTY. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 68(3), 427-430.Elsevier. doi: 10.1016/0377-2217(93)90199-W.
RAJGOPAL, J. (1992). AN ALTERNATIVE APPROACH TO THE REFINED DUALITY-THEORY OF GEOMETRIC-PROGRAMMING. JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 167(1), 266-288.Elsevier. doi: 10.1016/0022-247X(92)90251-8.
RAJGOPAL, J., & BRICKER, D.L. (1992). ON SUBSIDIARY PROBLEMS IN GEOMETRIC-PROGRAMMING. EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 63(1), 102-113.Elsevier. doi: 10.1016/0377-2217(92)90058-H.
RAJGOPAL, J., & BIDANDA, B. (1991). ON SCHEDULING PARALLEL MACHINES WITH 2 SETUP CLASSES. INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH, 29(12), 2443-2458.Taylor & Francis. doi: 10.1080/00207549108948095.
BIDANDA, B., & RAJGOPAL, J. (1990). OPTIMAL SELECTION OF WORKHOLDING DEVICES FOR ROTATIONAL PARTS. IIE TRANSACTIONS, 22(1), 65-72.Taylor & Francis. doi: 10.1080/07408179008964159.
RAJGOPAL, J., & BRICKER, D.L. (1990). POSYNOMIAL GEOMETRIC-PROGRAMMING AS A SPECIAL CASE OF SEMI-INFINITE LINEAR-PROGRAMMING. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS, 66(3), 455-475.Springer Nature. doi: 10.1007/BF00940932.
HUNDAL, T.S., & RAJGOPAL, J. (1988). AN EXTENSION OF PALMER HEURISTIC FOR THE FLOW-SHOP SCHEDULING PROBLEM. INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH, 26(6), 1119-1124.Taylor & Francis. doi: 10.1080/00207548808947922.
RAJGOPAL, J., & MAZUMDAR, M. (1988). A TYPE-II CENSORED, LOG TEST-TIME BASED, COMPONENT-TESTING PROCEDURE FOR A PARALLEL SYSTEM. IEEE TRANSACTIONS ON RELIABILITY, 37(4), 406-412.Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/24.9849.
BRICKER, D.L., & RAJGOPAL, J. (1983). YET ANOTHER GEOMETRIC-PROGRAMMING DUAL ALGORITHM. OPERATIONS RESEARCH LETTERS, 2(4), 177-180.Elsevier. doi: 10.1016/0167-6377(83)90051-2.
Alghamdi, D., Alotaibi, F., & Rajgopal, J. (2021). A Novel Hybrid Deep Learning Model For Stock Price Forecasting. In 2021 International Joint Conference on Neural Networks (IJCNN), 00, (pp. 1-8).Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/ijcnn52387.2021.9533553.
Yang, Y., & Rajgopal, J. (2020). An Iterative Cyclic Algorithm for Designing Vaccine Distribution Networks in Low and Middle-Income Countries. In Anisic, Z., Lalic, B., & Gracanin, D. (Eds.). In Lecture Notes on Multidisciplinary Industrial Engineering, (pp. 512-521).Springer Nature.Novi Sad, Serbia. doi: 10.1007/978-3-030-43616-2_54.
Esmaili, N., Norman, B.A., & Rajgopal, J. (2015). A heuristic for selecting multi-item inventory review policies. In IIE Annual Conference and Expo 2015, (pp. 1050-1059).
Esmaili, N., Norman, B.A., & Rajgopal, J. (2015). A Heuristic Approach for Integrated Storage and Shelf-Space Allocation. In Lecture Notes in Management and Industrial Engineering, 3, (pp. 11-18).Springer Nature. doi: 10.1007/978-3-319-14078-0_2.
Shylo, O.V., Luangkesorn, L., Prokopyev, O.A., Rajgopal, J., & Schaefer, A. (2011). Managing Patient Backlog in a Surgical Suite that Uses a Block-Booking Scheduling System. In Proceedings of the 2011 Winter Simulation Conference (WSC), (pp. 1314-1324).Institute of Electrical and Electronics Engineers (IEEE). doi: 10.1109/wsc.2011.6147852.
Scala, N.M., Needy, K.L.S., & Rajgopal, J. (2010). Using the analytic hierarchy process in group decision making for nuclear spare parts. In 31st Annual National Conference of the American Society for Engineering Management 2010, ASEM 2010, (pp. 191-199).American Society for Engineering Management.Fayetteville, AR, USA.
Scala, N.M., Rajgopal, J., & Needy, K.L.S. (2010). Influence diagram modeling of nuclear spare parts process. In IIE Annual Conference and Expo 2010 Proceedings.Institute of Industrial Engineers.Cancun, Mexico.
Scala, N.M., Needy, K.L.S., & Rajgopal, J. (2009). Decision making and tradeoffs in the management of spare parts inventory at utilities. In 30th Annual National Conference of the American Society for Engineering Management 2009, ASEM 2009, (pp. 257-263).American Society for Engineering Management.Springfield, MO, USA.
Abdulmalek, F., Lin, W., Norman, B.A., & Rajgopal, J. (2008). A simulation study of RFID for retail shelf replenishment. In IIE Annual Conference and Expo 2008, (pp. 758-763).
Shuman, L., Bidanda, B., Besterfield-Sacre, M., & Rajgopal, J. (2008). Internationalizing the engineering curriculum. In IIE Annual Conference and Expo 2008, (pp. 1071-1076).
Wang, Z., Rajgopal, J., & Schaefer, A.J. (2006). An efficient heuristic for location/distribution decisions with remnant inventories. In 2006 IIE Annual Conference and Exhibition.
Norman, B.A., Besterfield-Sacre, M., Bidanda, B., Needy, K.L.S., & Rajgopal, J. (2005). Integration and synthesis of the industrial engineering curriculum via an unstructured problem solving course. In ASEE Annual Conference and Exposition, Conference Proceedings, (pp. 8481-8489).
Norman, B.A., Besterfield-Sacre, M., Bidanda, B., Needy, K.L.S., & Rajgopal, J. (2004). A conceptual model for integrating and synthesizing the industrial engineering curriculum. In ASEE Annual Conference Proceedings, (pp. 2261-2272).
Norman, B.A., Besterfield-Sacre, M., Bidanda, B., Needy, K.L.S., & Rajgopal, J. (2004). Integration and synthesis of the industrial engineering curriculum. Industrial Engineering Research Conference.Houston, TX.
Olsen, S., Schaefer, A., Rajgopal, J., & Boros, S. (2004). Evaluation of operating policies for remnant inventory systems via simulation. In IIE Annual Conference and Exhibition 2004, (pp. 1579-1584).
Rajgopal, J., Schaefer, A., & Wang, Z. (2004). A linear model for controlling remnant inventory supply chains. In IIE Annual Conference and Exhibition 2004, (p. 1309).
Majety, S.R.V., & Rajgopal, J. (1997). Dynamic penalty function for evolutionary algorithms with an application to reliability allocation. In Industrial Engineering Research - Conference Proceedings, (pp. 36-41).
Rajgopal, J., LaScola Needy, K., & Porter, J.D. (1997). Combining international experience and industrial relevance in a capstone engineering design course. In Proceedings - Frontiers in Education Conference, 2, (pp. 827-831).
Tunasar, C., & Rajgopal, J. (1995). Evolutionary algorithm with an application to a lot sizing problem. In Industrial Engineering Research - Conference Proceedings, (pp. 852-858).
Burns, G., Rajgopal, J., & Bidanda, B. (1993). Integrating group technology and TSP for scheduling operations with sequence dependent setup times. In Proceedings of the Industrial Engineering Research Conference, (pp. 837-841).
Rajgopal, J., & Mazumdar, M. (1993). Design of system based component test plans. In Proceedings of the Industrial Engineering Research Conference, (pp. 247-251).