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Jélvez, E., Ortiz, J. M., Morales, N., Askari-Nasab, H., & Nelis, G. (2023). A Multi-stage methodology for long-term open-pit mine production planning under ore grade uncertainty. Mathematics, 11(18), 3907 (19 pages). Available
Morales, N., Nelis, G., & Amaya, J. (2024). An efficient method for optimizing nested open pits with operational bottom space. International Transactions in Operational Research, 31(3), 1609-1630. Available
Morales, N., Nelis, G., Saavedra, F., Amaya, J., & Gómez, R. (2023, June). Using Precedence Constraints to Model the Geometry of Optimal Mining Envelopes [Paper]. Application of Computers and Operations Research in the Mineral Industry Conference (APCOM 2023), Rapid City, South Dakota, USA. External link
Moreno, E., Emery, X., Goycoolea, M., Morales, N., & Nelis, G. (2017, August). A two-stage stochastic model for open pit mine planning under geological uncertainty [Paper]. 38th International Symposium on the Application of Computers and Operations Research in the Mineral Industry (APCOM 2017), Denver, Colorado. External link
Morales, N., Nelis, G., Quiroz, J., & Rocher, W. (2015, June). UDESS - A multipurpose scheduling problem for mine planning [Paper]. CORS/INFORMS Joint International Meeting, Montréal, Québec. External link
Nelis, G., Morales, N., Estay, R., Manríquez, F., Vivar, P., & Morales, C. (2025). A novel optimization model for the dig-limit definition problem in open pit mines with multiple destinations. Resources Policy, 102, 105510 (16 pages). External link
Nelis, G., Morales, N., & Jélvez, E. (2023). Optimal mining cut definition and short-term open pit production scheduling under geological uncertainty. Resources Policy, 81, 103340 (17 pages). External link
Nelis, G., Meunier, F., & Morales, N. (2022). Column Generation for Mining Cut Definition with Geometallurgical Interactions. Natural Resources Research, 31(1), 131-148. External link
Nelis, G., & Morales, N. (2021, August). A comparison of mining cut definition and scheduling algorithms for the open-pit short-term mine planning [Paper]. 40th International Symposium on the Application of Computers and Operations Research in the Mineral Industry (APCOM 2021), Johannesburg, South Africa. Unavailable
Nelis, G., & Morales, N. (2021). A mathematical model for the scheduling and definition of mining cuts in short-term mine planning. Optimization and Engineering, 23(1), 233-257. External link
Nelis, G., Morales, N., & Ortíz, J. (2019, June). Performance assessment of antithetic random fields in a stochastic mine planning model [Paper]. 39th International Symposium on Application of Computers and Operations Research in the Mineral Industry (APCOM 2019), Wroclaw, Poland. External link
Nelis, G., Morales, N., & Widzyk-Capehart, E. (2018, November). Comparison of different approaches to strategic open-pit mine planning under geological uncertainty [Paper]. 27th International Symposium on Mine Planning and Equipment Selection (MPES 2018), Santiago, Chile. External link
Nelis, G., Gamache, M., Marcotte, D., & Bai, X. (2016). Stope optimization with vertical convexity constraints. Optimization and Engineering, 17(4), 813-832. External link
Nelis, G., Gamache, M., Marcotte, D., & Bai, X. (2015). Stope optimization with convexity constraints. (Technical Report n° G-2015-47). External link
Nelis, G., Morales, N., & Ortiz, J. M. (2014, July). Stochastic programming applied to mine planning under geological uncertainty with different levels of information [Paper]. Triennial IFORS Conference, Barcelona, España. External link
Saavedra, F., Morales, N., Nelis, G., & Gómez, R. (2023). A fast method to find smooth economic envelopes for block and panel caving mines. Resources Policy, 83, 103703 (10 pages). External link
