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Buchheim, C., Caprara, A., & Lodi, A. (2012). An effective branch-and-bound algorithm for convex quadratic integer programming. Mathematical Programming, 135(1-2), 369-395. External link
Buchheim, C., Caprara, A., & Lodi, A. (2010, June). An effective branch-and-bound algorithm for convex quadratic integer programming [Paper]. 14th International Conference on Integer Programming and Combinatorial Optimization (IPCO 2010), Lausanne, Suisse. External link
Bizzarri, F., Buchheim, C., Callegari, S., Caprara, A., Lodi, A., Rovatti, R., & Setti, G. (2010, October). Practical solution of periodic filtered approximation as a convex quadratic integer program [Paper]. 1st International Conference on Complex Systems Design and Management (CSDM 2010), Paris, France. External link
Rostami, B., Kämmerling, N., Naoum-Sawaya, J., Buchheim, C., & Clausen, U. (2021). Stochastic single-allocation hub location. European Journal of Operational Research, 289(3), 1087-1106. External link
Rostami, B., Kämmerling, N., Buchheim, C., Naoum-Sawaya, J., & Clausen, U. (2018). Stochastic single-allocation hub location. (Technical Report n° DS4DM-2018-005). External link
Rostami, B., Chassein, A., Hopf, M., Frey, D., Buchheim, C., Malucelli, F., & Goerigk, M. (2018). The quadratic shortest path problem: complexity, approximability, and solution methods. European Journal of Operational Research, 268(2), 473-485. External link
Rostami, B., Kämmerling, N., Buchheim, C., & Clausen, U. (2018). Reliable single allocation hub location problem under hub breakdowns. Computers & Operations Research, 96, 15-29. External link