research

2026

1. Working Paper

   Linear versus Semidefinite Lovász–Schrijver Lifting Operators of Stable Set Integer Programs

   Federico Battista, Fabrizio Rossi, and Stefano Smriglio

   Working Paper, , 2026

   Bib

   @techreport{BatRosSmrLinear26,
     type = {Working Paper},
     title = {Linear versus {{Semidefinite Lov\'asz}}--{{Schrijver Lifting Operators}} of {{Stable Set Integer Programs}}},
     author = {Battista, Federico and Rossi, Fabrizio and Smriglio, Stefano},
     year = {2026},
   }

2. Working Paper

   Contextual Residual-based Distributionally Robust Optimization under Predictive Model Uncertainty

   Karmel S. Shehadeh, Man Yiu Tsang, and Federico Battista

   Working Paper, Dept. of Industrial and Systems Engineering, University of Southern California, 2026

   Bib

   @techreport{SheTsaBatContextual26,
     type = {Working Paper},
     title = {Contextual {{Residual-based Distributionally Robust Optimization}} under {{Predictive Model Uncertainty}}},
     author = {Shehadeh, Karmel S. and Tsang, Man Yiu and Battista, Federico},
     year = {2026},
     institution = {{Dept. of Industrial and Systems Engineering, University of Southern California}},
   }

2025

1. Preprint

   Improving Directions in Mixed Integer Bilevel Linear Optimization

   Federico Battista, and T. K. Ralphs

   arXiv Preprint, COR@L Laboratory, Lehigh University, 2025

   Under review at Mathematical Programming Computation

   DOI Bib

   @techreport{BatRalBranchcut24,
     type = {{{arXiv}} Preprint},
     title = {Improving {{Directions}} in {{Mixed Integer Bilevel Linear Optimization}}},
     author = {Battista, Federico and Ralphs, T. K.},
     year = {2025},
     institution = {COR@L Laboratory, Lehigh University},
     url = {https://doi.org/10.48550/arXiv.2511.03566},
     file = {/Users/feb223/Zotero/storage/J5VXW2FI/Battista and Ralphs - 2025 - Improving Directions in Mixed Integer Bilevel Linear Optimization.pdf}
   }

2. MPC

   Application of the Lovász-Schrijver Operator to Compact Stable Set Integer Programs

   Federico Battista, Fabrizio Rossi, and Stefano Smriglio

   Mathematical Programming Computation, 2025

   DOI Bib

   @article{BatRosSmrApplication25,
     title = {Application of the Lov\'asz-Schrijver Operator to Compact Stable Set Integer Programs},
     author = {Battista, Federico and Rossi, Fabrizio and Smriglio, Stefano},
     year = {2025},
     journal = {Mathematical Programming Computation},
     doi = {10.1007/s12532-025-00298-8},
     file = {/Users/feb223/Zotero/storage/KZ9Z7UZC/Battista et al. - 2025 - Application of the lovász-schrijver operator to compact stable set integer programs.pdf}
   }

3. Working Paper

   A Branch-and-Bound Algorithm for Multiobjective Mixed Integer Linear Optimization

   Samira Fallah, Federico Battista, and Ted K. Ralphs

   Working Paper, COR@L Laboratory, Lehigh University, 2025

   Bib

   @techreport{FalBatRalBranchandbound25,
     type = {Working Paper},
     title = {A {{Branch-and-Bound Algorithm}} for {{Multiobjective Mixed Integer Linear Optimization}}},
     author = {Fallah, Samira and Battista, Federico and Ralphs, Ted K.},
     year = {2025},
     institution = {COR@L Laboratory, Lehigh University},
   }

2024

1. 4OR

   Dealing with Inequality Constraints in Large-Scale Semidefinite Relaxations for Graph Coloring and Maximum Clique Problems

   Federico Battista, and Marianna De Santis

   4OR. A Quarterly Journal of Operations Research, 2024

   DOI Bib

   @article{BatDeDealing24,
     title = {Dealing with Inequality Constraints in Large-Scale Semidefinite Relaxations for Graph Coloring and Maximum Clique Problems},
     author = {Battista, Federico and De Santis, Marianna},
     year = {2024},
     journal = {4OR. A Quarterly Journal of Operations Research},
     pages = {1--31},
     publisher = {Springer},
     doi = {10.1007/s10288-024-00569-5},
   }

2023

1. Ph.D. Thesis

   On Semidefinite Lift-and-Project of Combinatorial Optimization Problems

   Federico Battista

   Università di Roma Sapienza, 2023

   DOI Bib

   @phdthesis{BatSemidefinite23,
     title = {On Semidefinite Lift-and-Project of Combinatorial Optimization Problems},
     author = {Battista, Federico},
     year = {2023},
     eprint = {11573/1668673},
     eprinttype = {hdl},
     url = {https://hdl.handle.net/11573/1668673},
     school = {Universit\`a di Roma Sapienza},
   }