Bold indicates a student co-author (undergraduate, Master's, or PhD) under my direct supervision.
T.C. Sharkey, L. Martin, T. Ayler, K. Barrick, T. Forliti, J. Friedman, K. Maass, M. Mariotti, C. Nelson, and B. Tezcan. Realistic computational modeling of human trafficking requires lived experience experts. Forthcoming in the Journal on Human Trafficking.
D.B. Lopes da Silva, T.C. Sharkey, and Y. Song. A bi-level network interdiction problem to minimize the number of active special arcs in the maximum flow. Forthcoming in INFORMS Journal on Computing.
N. Aftabi, D. Li, and T.C. Sharkey. An optimization framework for cyber-physical vulnerability analysis in industrial cyber-physical systems. Forthcoming in IISE Transactions.
C. Spence, M.E. Kurz, T.C. Sharkey, and B.L. Miller. A scoping literature review of disease modeling of the opioid overdose crisis. Forthcoming in the Journal of Psychoactive Drugs.
M. Clark, T.C. Sharkey, T. Ayler, T. Forliti, J. Friedman, M. Mariotti, C. Nelson, and L. Martin. Modeling disruptions for sex trafficking networks with multiple forced illegal activities. Forthcoming in Journal of Human Trafficking.
T.C. Sharkey, S.A. Foster, S. Hegde, M.E. Kurz, and E.L. Tucker. A classification of observed uses of Operational Research models use for fundamental surprise events: Observations from university operations during COVID-19. Journal of the Operational Research Society, 76(2): 254-266, 2025.
K. Barrick, K.L. Maass, T.C. Sharkey, Y. Song, and L. Martin. Expanding our understanding of traffickers and their operations: A review of the literature and path forward. Trauma, Violence, & Abuse, 25(3): 2348-2362, 2024.
D. Kosmas, T.C. Sharkey, K.L. Maass, J.E. Mitchell, and L. Martin. Multi-period max flow network interdiction with restructuring for disrupting domestic sex trafficking networks. Annals of Operations Research, 335: 797-860, 2024.
D. Kosmas, C. Melander, E. Singerhouse, L. Martin, K. Barrick, K.L. Maass, and T.C. Sharkey. A transdisciplinary approach for generating synthetic but realistic domestic sex trafficking networks. IISE Transactions, 56(3): 340-354, 2024.
L. Cho and T.C. Sharkey. Integer programming methods to identify Nash equilibrium solutions for platform based scheduling games. Operations Research Forum, 4(4): 94, 2023.
D. Kosmas, T.C. Sharkey, K.L. Maass, J.E. Mitchell, and L. Martin. Interdicting restructuring networks with applications in illicit trafficking. European Journal of Operational Research, 308(2): 832-851, 2023.
M.C. Camur, T.C. Sharkey, and C. Vogiatzis. The stochastic pseudo-star degree centrality problem. European Journal of Operational Research, 308(2): 525-539, 2023
D. Kosmas, J.E. Mitchell, T.C. Sharkey, and B.K. Szymanski. Optimizing edge sets to produce ground truth communities based on modularity. Networks, 80(2): 152-177, 2022.
L. Martin, M. Gupta, K.L. Maass, C. Melander, E. Singerhouse, K. Barrick, T. Samad, T.C. Sharkey, T. Ayler, T. Forliti, J. Friedman, C. Nelson, D. Sortillon. Learning each other’s language and building trust: Community-engaged transdisciplinary team building for research on human trafficking operations and disruption. International Journal of Qualitative Methods, 21: 16094069221101966, 2022.
M.C. Camur, T.C. Sharkey, and C. Vogiatzis. The star degree centrality problem: A decomposition approach. INFORMS Journal on Computing, 34(1): 93-112, 2022.
A. Elsisy, A. Mandviwalla, B.K. Szymanski, and T.C. Sharkey. A network generator for covert network structures. Information Sciences, 584: 387-398, 2022.
Y. Shen, T.C. Sharkey, B.K. Szymanski, and W.A. Wallace. Interdicting interdependent contraband smuggling, money, and money laundering networks with uncertain information. Socio-Economic Planning Sciences, 78: 101068, 2021.
H. Sun and T.C. Sharkey. Decentralized scheduling with precedence constraints. Optimization Letters, 15: 2555-2575, 2021.
M.C. Camur, T.C. Sharkey, C. Dorsey, M. Grabowski, and W.A. Wallace. Optimizing the response for Arctic mass rescue events. Transportation Research Part E: Logistics and Transportation Review, 152: 102368, 2021. Online supplement is here.
T.C. Sharkey, S.G. Nurre Pinkley, D. Eisenberg, D.L. Alderson. In search of network resilience: An optimization-based view. Networks, , 77(2): 225-254, 2021.
H. Nguyen, T.C. Sharkey, S. Wheeler, J.E. Mitchell, W.A. Wallace. Towards the development of quantitative resilience indices for multi-echelon assembly supply chains. Omega, 99: 102199, 2021.
N.O. Baycik, T.C. Sharkey, and C. Rainwater. A Markov Decision Process approach for balancing intelligence and interdiction operations in city-level drug enforcement. Socio-Economic Planning Sciences, 69: 10070, 2020.
H. Nguyen, J.E. Mitchell, T.C. Sharkey, and W.A. Wallace. Optimizing the recovery of disrupted multi-echelon assembly supply chain networks. IISE Transactions, 52(7): 703-720, 2020.
E. Heath, J.E. Mitchell, and T.C. Sharkey. Scheduling of tasks with effectiveness precedence constraints. Optimization Letters, 14(1): 37-49, 2020.
T.C. Sharkey, S. Bublak, L. Disselkamp, and B. Shkil. Case Article: Workforce Scheduling for Airport Immigration on the Island of Tropical Paradise. INFORMS Transactions on Education, 20(2): 85-89, 2020.
R. Little, R. Loggins, J.E. Mitchell, N. Ni, T.C. Sharkey, and W.A. Wallace. CLARC: An artificial community for modeling the effects of extreme events on interdependent civil and social infrastructure systems. ASCE Journal of Infrastructure Systems, 26(1): 2020.
E. Heath, J.E. Mitchell, and T.C. Sharkey. Models for restoration decision making for a supply chain network after a cyber attack. Journal of Defense Modeling and Simulation, 17(1): 5-19, 2019.
F.E. Ahangar, C. Rainwater, and T.C. Sharkey. A logic-based decomposition approach for multi-period network interdiction models. Omega, 87: 71-85, 2019.
J. Caulkins, M. Kammer-Kerwick, R. Konrad, K.L. Maass, L. Martin, and T.C. Sharkey. A call to the engineering community to help address human trafficking. The Bridge, National Academy of Engineering, 49(3): 67-73, 2019.
N. Ni, T.C. Sharkey, R. Little, and W.A. Wallace. Modeling the recovery of critical commercial services and their interdependencies on civil infrastructures. International Journal of Critical Infrastructures, 15(4): 355-382, 2019.
R. Loggins, R. Little, J.E. Mitchell, T.C. Sharkey, and W.A. Wallace. CRISIS: Modeling the restoration of interdependent civil and social infrastructure systems following an extreme event. ASCE Natural Hazards Review, 20(3): 04019004, 2019. Highlighted in the ASCE Smartbrief, August 22, 2019.
N.O. Baycik and T.C. Sharkey. Interdiction-based approaches to identify damage in disrupted interdependent critical infrastructures. ASCE Journal of Infrastructure Systems, 25(2): 0401903, 2019.
N. Ni, B.J. Howell, and T.C. Sharkey. Modeling the impact of unmet demand in supply chain resiliency planning. Omega, 81: 1-16, 2018.
S.G. Nurre and T.C. Sharkey. Online integrated network design and scheduling problems with flexible release dates. Computers and Operations Research, 92: 1-16, 2018.
N.O. Baycik, T.C. Sharkey, and C. Rainwater. Interdicting layered physical and information flow networks. IISE Transactions, 50(4): 316-331, 2018. Highlighted in the March 2018 issue of the ISE Magazine.
H. Sun and T.C. Sharkey. Approximation algorithms for fractional optimization problems arising in dispatching rules for integrated network design and scheduling problems. Journal of Global Optimization, 68(3): 623-640, 2017.
H. Nguyen and T.C. Sharkey. A computational approach to determine damage in infrastructure networks from outage reports. Optimization Letters, 11(4): 753-770, 2017.
R. Garrett, T.C. Sharkey, M. Grabowski, and W.A. Wallace. Dynamic resource allocation to support oil spill response planning for energy exploration in the Arctic. European Journal of Operational Research, 257(1): 272-286, 2017.
E. Heath, J.E. Mitchell, and T.C. Sharkey. Applying ranking and selection procedures to mitigation for improved network restoration. European Journal of Computational Optimization, 4(3): 447-481, 2016.
T.C. Sharkey and S.G. Nurre. Video tutorials within an undergraduate operations research course: Student perception on their integration and creating a blended learning environment. INFORMS Transactions on Education, 17(1): 1-12, 2016.
T.C. Sharkey, S.G. Nurre, H. Nguyen, J.H. Chow, J.E. Mitchell, and W.A. Wallace. Identification and classification of restoration interdependencies in the wake of Hurricane Sandy. ASCE Journal of Infrastructure Systems, 22(1): 04015007, 2016.
T.C. Sharkey, B. Cavdaroglu, H. Nguyen, J. Holman, J.E. Mitchell, and W.A. Wallace. Interdependent network restoration: On the value of information-sharing. European Journal of Operational Research, 244(1): 309-321, 2015.
S.G. Nurre and T.C. Sharkey. Integrated network design and scheduling problems with parallel identical machines: Complexity results and dispatching rules. Networks, 63(4): 306-326, 2014.
J. Qiu and T.C. Sharkey. A dynamic edge covering and scheduling problem: Complexity results and approximation algorithms. Optimization Letters, 8(4): 1201-1212, 2014.
S.G. Nurre, R. Bent, F. Pan, and T.C. Sharkey. Managing operations of plug-in electric vehicle (PHEV) exchange stations for use with a smart grid. Energy Policy, 67: 364-377, 2014.
J. Qiu and T.C. Sharkey. Integrated dynamic single facility location and inventory planning problems. IIE Transactions, 45(8): 883-895, 2013. Highlighted in July 2013 issue of Industrial Engineer.
B. Cavdaroglu, E. Hammel, J.E. Mitchell, T.C. Sharkey, and W.A. Wallace. Integrating restoration and scheduling decisions for disrupted interdependent infrastructure systems. Annals of Operations Research, 203(1): 279-294, 2013.
S.G. Nurre, B. Cavdaroglu, J.E. Mitchell, T.C. Sharkey, and W.A. Wallace. Restoring infrastructure systems: An integrated network design and scheduling problem. European Journal of Operational Research, 223(3): 794-806, 2012.
W. van den Heuvel, O.E. Kundakcioglu, J. Geunes, H.E. Romeijn, T.C. Sharkey, and A.P.M. Wagelmans. Integrated market selection and production planning: Complexity and solution approaches. Mathematical Programming, 134(2): 395-424, 2012.
A. Malaviya, C. Rainwater, and T.C. Sharkey. Multi-period network interdiction models with applications to city-level drug enforcement. IIE Transactions, 44(5): 368-380, 2012.
T.C. Sharkey, J. Geunes, H.E. Romeijn, and Z.-J. Shen. Exact algorithms for integrated location and production planning problems. Naval Research Logistics, 58(5): 419-436, 2011.
F. Michael and T.C. Sharkey. Generator location problems for mitigating unmet demand in local power infrastructure systems. The Homeland Security Review, 5(3): 213-224, 2011.
T.C. Sharkey. Network flow problems with pricing decisions. Optimization Letters, 5(1): 71-83, 2011.
T.C. Sharkey, H.E. Romeijn, and J. Geunes. A class of nonlinear nonseparable continuous knapsack and multiple-choice knapsack problems. Mathematical Programming, 126(1): 69-96, 2011.
M.H. Dinitz, J.M. Gold, T.C. Sharkey, and L. Traldi. Graphical representation of clutters. Ars Combinatoria, 94: 303-320, 2010.
T.C. Sharkey and H.E. Romeijn. Greedy approaches for a class of nonlinear generalized assignment problems. Discrete Applied Mathematics, 158(5): 559-572, 2010.
H.E. Romeijn, T.C. Sharkey, Z.-J. Shen, and J. Zhang. Integrating facility location and production planning decisions. Networks, 55(2): 78-89, 2010.
T.C. Sharkey and H.E. Romeijn. Simplex-inspired algorithms for solving a class of convex programming problems. Optimization Letters, 2(4): 455-481, 2008.
T.C. Sharkey and H.E. Romeijn. A simplex algorithm for minimum-cost network-flow problems in infinite networks. Networks, 52(1): 14-31, 2008.
M.C. Camur, T.C. Sharkey, and A. Ismael. Infrastructure investments for improving Arctic emergency response across multiple man-made hazards. Proceedings of the Industrial and Systems Engineering Research Conference, Montreal, Canada, 2024.
S. Hegde, S. Foster, M.E. Kurz, and T.C. Sharkey. Organizational adaptation to a fundamental surprise event: The case of class scheduling at a large academic institution. Resilience Week 2022, IEEE.
J. Wilt and T.C. Sharkey. Measuring the impact of coordination in disrupting illicit trafficking networks. Proceedings of the Industrial and Systems Engineering Research Conference (ISERC), Orlando, FL, 2019.
A. Bahulkar, N.O. Baycik, T.C. Sharkey, Y. Shen, B.K. Szymanski, W.A. Wallace. Integrative analytics for detecting and disrupting transnational interdependent criminal smuggling, money, and money-laundering networks. IEEE Homeland Security Technologies (HST) Conference, 2018. Best Paper Award, Land/Maritime Borders and Critical Infrastructure Track.
A. Bahulkar, B.K. Szymanski, N.O. Baycik, and T.C. Sharkey. Community detection with edge augmentation in criminal networks. IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), 1168-1175, 2018.
E. Heath, J.E. Mitchell, and T.C. Sharkey. Restoration decision making for a supply chain under cyber attack. Proceedings of the Summer Simulation Multi-Conference, Bellevue, WA, 2017.
M. Park, L. Cho, J. Ryan, and T.C. Sharkey. Production scheduling with queue-time constraints: Alternative formulations. Proceedings of the Industrial and Systems Engineering Research Conference (ISERC), Montreal, Quebec, Canada, 2014.
S.G. Nurre and T.C. Sharkey. Video tutorials: Student use and perception in an OR course. Proceedings of the Industrial and Systems Engineering Research Conference (ISERC), San Juan, PR, 2013.
B. Cavdaroglu, S.G. Nurre, J.E. Mitchell, T.C. Sharkey, and W.A. Wallace. Decomposition methods for restoring infrastructure systems. Proceedings of the International Conference on Vulnerability and Risk Analysis and Management, Hyattsville, MD, 2011.
S.G. Nurre and T.C. Sharkey. Restoring infrastructure systems: An integrated network design and scheduling problem. Proceedings of the 2010 IIE Annual Conference (IERC), Cancun, Mexico, 2010.
A. Malaviya, C. Rainwater, and T.C. Sharkey. Multi-period network interdiction models with applications to city-level drug enforcement. Proceedings of the 2010 IIE Annual Conference (IERC), Cancun, Mexico, 2010. Best Paper Award, Production Planning and Scheduling Track.
T.C. Sharkey, H.E. Romeijn, and J. Geunes. Analysis of a class of nonlinear knapsack problems. Proceedings of the 2006 IIE Annual Conference (IERC), Orlando, FL, 2006.