New bounds for the asymmetric travelling salesman problem / A.I. Barros and P. BarciaThe multi-level uncapacitated facility location problem is not submodular / A.I. Barros and M. LabbéA general model for the uncapacitated facility and depot location problem / A.I. Barros and M. LabbéThe multi-level uncapacitated facility location problem is not submodular / A.I. Barros, M. LabbéA general model for the uncapacitated facility and depot location problem / A.I. Barros, M. LabbéGeneralized fractional programming and cutting plane algorithms / A.I. Barros, J.B.G. FrenkGeneralized fractional programming and cutting plane algorithms / A.I. Barros and J.B.G. FrenkHow duality can be used to solve generalized fractional programming problems / A.I. Barros, J.B.G. Frenk, S. ZhangDiscrete and fractional programming techniques for location models / Ana Isabel Martins Botto de BarrosDiscrete and fractional programming techniques for location models / Ana Isabel Martins Botto de BarrosFractional location problems / A.I. Barros, J.B.G. Frenk, J. GromichoFractional location problems / A.I. Barros, J.B.G. Frenk and J. GromichoA two-level network for recycling sand : a case study / A.I. Barros, R. Dekker and V. ScholtenDiscrete and fractional programming techniques for location models / Ana Isabel BarrosProducing near-real-time intelligence: predicting the world of tomorrow / A.I. Barros, A.C. van den Broek, J.A. van Dalen, B. van der Vecht and J. Wevers
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Duality and optimization / J.B.G. Frenk, A.I. Barros and D.M.L. DiasA new algorithm for generalized fractional programs / A.I. Barros ... [et al.]Optimizing a general optimal replacement model by fractional programming techniques / A.I. Barros ... [et al.]Optimizing a general optimal replacement model by fractional programming techniques / A.I. Barros ... [et al.]An overview of munition planning with ACROSS Suite of models / A.I. Barros ... [et al.]Online UAV mission planning / L. Evers, A.I. Barros, H. Monsuur, and A.P.M. WagelmansSecurity games with restricted strategies: an approximate dynamic programming approach / C.M. Laan, A.I. Barros, R.J. Boucherie and H. Monsuur