Search Results - subject:"Formulations"

Extended formulations for the integer hull of strictly Δ-modular cographic polyhedral cones

Paat, Joseph; Walsh, Zach; Xu, Luze - In: Operations research letters : a journal of INFORMS … 60 (2025), pp. 1-7

Persistent link: https://www.econbiz.de/10015358901

Development of a robust design optimization algorithm for hierarchical time series pharmaceutical problems

Nha Vo-Thanh; Park, Kyungjin; Jang, Hyeonae; Lee, Gyu M.; … - In: Operations research perspectives 15 (2025), pp. 1-16

Experimental design and robust design (RD) methodologies have received attention from researchers to improve the performance of many different quality characteristics and solve problems at low costs. However, there is room for improvement to simultaneously solve interdisciplinary optimization...

Persistent link: https://www.econbiz.de/10015606653

A comprehensive survey on the generalized traveling salesman problem

Pop, Petrică C.; Cosma, Ovidiu; Sabo, Cosmin; Sitar, … - In: European journal of operational research : EJOR 314 (2024) 3, pp. 819-835

Persistent link: https://www.econbiz.de/10014456917

New strategy for anti-loop formulations

García Sánchez, José Manuel - In: Opsearch : journal of the Operational Research Society … 61 (2024) 4, pp. 2346-2359

Persistent link: https://www.econbiz.de/10015127360

Tail assignment problem with hour-to-cycle ratio constraints

Aydoğan, Çiya; Gürel, Sinan - In: Journal of air transport management : a new … 124 (2025), pp. 1-13

Persistent link: https://www.econbiz.de/10015442205

Formulating human risk response in epidemic models : exogenous vs endogenous approaches

LeJeune, Leah; Ghaffarzadegan, Navid; Childs, Lauren M.; … - In: European journal of operational research : EJOR 324 (2025) 1, pp. 246-258

Persistent link: https://www.econbiz.de/10015433033

A logic-based Benders decomposition approach for a fuel delivery problem with time windows, unsplit compartments, and split deliveries

Melo, Rafael A.; Ribeiro, Celso C.; Urrutia, Sebastián; … - In: European journal of operational research : EJOR 325 (2025) 1, pp. 100-117

Persistent link: https://www.econbiz.de/10015433224

On piecewise linear approximations of bilinear terms: structural comparison of univariate and bivariate mixed-integer programming formulations

Bärmann, Andreas; Burlacu, Robert; Hager, Lukas; … - In: Journal of Global Optimization 85 (2022) 4, pp. 789-819

product, which can be represented via mixed-integer linear programming (MIP) formulations. Alternatively, one can reformulate … formulations. Here, we prove that the CR of a bivariate MIP formulation describes the convex hull of a variable product, the so …

Persistent link: https://www.econbiz.de/10015323502

Exact models for the flying sidekick traveling salesman problem

Dell'Amico, Mauro; Montemanni, Roberto; Novellani, Stefano - In: International transactions in operational research : a … 29 (2022) 3, pp. 1360-1393

Persistent link: https://www.econbiz.de/10012795854

Finding K shortest and dissimilar paths

Moghanni, Ali; Pascoal, Marta; Godinho, Maria Teresa - In: International transactions in operational research : a … 29 (2022) 3, pp. 1573-1601

Persistent link: https://www.econbiz.de/10012795871