Publications and CV

For my (possibly outdated) CV click HERE.

Preprints

• Tightening convex relaxations of trained neural networks: a unified approach for convex and S-shaped activations.
  Carrasco P. and Muñoz G.
• Decision-focused predictions via pessimistic bilevel optimization: a computational study.
  Bucarey V., Calderón S., Muñoz G., and Semet F.
• Computational Tradeoffs of Optimization-Based Bound Tightening in ReLU Networks.
  Badilla F., Goycoolea M., Muñoz G., and Serra T.
• When Deep Learning Meets Polyhedral Theory: A Survey.
  Huchette J., Muñoz G., Serra T., and Tsay C.

Journal Publications

• The MIP Workshop 2023 Computational Competition on Reoptimization.
  Bolusani S., Besançon M., Gleixner A., Berthold T., D'Ambrosio C., Muñoz G., Paat J., and Thomopulos D. Mathematical Programming Computation, 2024.
• Monoidal strengthening and unique lifting in MIQCPs.
  Chmiela A., Muñoz G. and Serrano F. Mathematical Programming, 2024.
• Exploiting the polyhedral geometry of stochastic linear bilevel programming.
  Muñoz G., Salas D., and Svensson A. Mathematical Programming, 2024.
• A characterization of maximal homogeneous-quadratic-free sets.
  Muñoz G., Paat J., and Serrano F. Mathematical Programming, 2024.
• Compressing Branch-and-Bound Trees.
  Muñoz G., Paat J., and Xavier Á. Mathematical Programming, 2024.
• Principled Deep Neural Network Training through Linear Programming.
  Bienstock D., Muñoz G. and Pokutta S. Discrete Optimization, 2023.
• Cutting Plane Generation Through Sparse Principal Component Analysis.
  Dey S., Kazachkov A., Lodi A. and Muñoz G. SIAM Journal on Optimization, 2022.
• On obtaining the convex hull of quadratic inequalities via aggregations.
  Dey S., Muñoz G. and Serrano F. SIAM Journal on Optimization, 2022.
• On the implementation and strengthening of intersection cuts for QCQPs.
  Chmiela A., Muñoz G. and Serrano F. Mathematical Programming, 2022.
• Convex Envelopes for Ray-Concave Functions.
  Barrera J., Moreno E. and Muñoz G. Optimization Letters, 2022.
• Exact reliability optimization for series-parallel graphs using convex envelopes.
  Barrera J., Moreno E., Muñoz G. and Romero P. Networks, 2022.
• Maximal Quadratic-free Sets.
  Muñoz G. and Serrano F. Mathematical Programming, 2021.
• On Generalized Surrogate Duality in Mixed-Integer Non-Linear Programming.
  Müller B., Muñoz G., Gasse M., Gleixner A., Lodi A. and Serrano F. Mathematical Programming, 2021
• New Limits of Treewidth-based tractability in Optimization.
  Faenza Y., Muñoz G. and Pokutta S. Mathematical Programming, 2020.
• Outer-Product-Free Sets for Polynomial Optimization and Oracle-Based Cuts.
  Bienstock D., Chen C. and Muñoz G. Mathematical Programming, 183, pp. 105–148, 2020.
• Production scheduling for strategic open pit mine planning: A mixed-integer programming approach.
  Rivera O., Espinoza D., Goycoolea M., Moreno E. and Muñoz G. Operations Research, 68(5), 1425-1444, 2020.
• LP formulations for polynomial optimization problems.
  Bienstock D. and Muñoz G. SIAM Journal on Optimization 28 (2), pp. 1121-1150, 2018.
• A study of the Bienstock-Zuckerberg algorithm, Applications in Mining and Resource Constrained Project Scheduling.
  Muñoz G., Espinoza D., Goycoolea M., Moreno E., Queyranne M. and Rivera O. Computational Optimization and Applications, 69(2), pp. 501-534, 2018.

Conference Proceedings

• Decision-focused predictions via pessimistic bilevel optimization: a computational study.
  Bucarey V., Calderón S., Muñoz G., and Semet F.Integration of Constraint Programming, Artificial Intelligence, and Operations Research. CPAIOR 2024. Lecture Notes in Computer Science, vol 14742.
• Compressing Branch-and-Bound Trees.
  Muñoz G., Paat J. and Xavier Á. Integer Programming and Combinatorial Optimization. IPCO 2023. Lecture Notes in Computer Science, vol 13904.
• Towards a Characterization of Maximal Quadratic-Free Sets.
  Muñoz G., Paat J. and Serrano F. Integer Programming and Combinatorial Optimization. IPCO 2023. Lecture Notes in Computer Science, vol 13904.
• Monoidal Strengthening and Unique Lifting in MIQCPs.
  Chmiela A., Muñoz G. and Serrano F. Integer Programming and Combinatorial Optimization. IPCO 2023. Lecture Notes in Computer Science, vol 13904.
• Exploiting the Polyhedral Geometry of Stochastic Linear Bilevel Programming.
  Muñoz G., Salas D. and Svensson A. Integer Programming and Combinatorial Optimization. IPCO 2023. Lecture Notes in Computer Science, vol 13904.
• On the implementation and strengthening of intersection cuts for QCQPs.
  Chmiela A., Muñoz G. and Serrano F. Integer Programming and Combinatorial Optimization. IPCO 2021. Lecture Notes in Computer Science, vol 12707.
• Maximal Quadratic-free Sets.
  Muñoz G. and Serrano F. Integer Programming and Combinatorial Optimization. IPCO 2020. Lecture Notes in Computer Science, vol 12125.
• On Generalized Surrogate Duality in Mixed-Integer Non-Linear Programming.
  Müller B., Muñoz G., Gasse M., Gleixner A., Lodi A. and Serrano F. Integer Programming and Combinatorial Optimization. IPCO 2020. Lecture Notes in Computer Science, vol 12125.
• Intersection Cuts for Polynomial Optimization.
  Bienstock D., Chen C. and Muñoz G. Integer Programming and Combinatorial Optimization. IPCO 2019. Lecture Notes in Computer Science, vol 11480. Code can be found HERE
• Sinkhorn Networks: Using Optimal Transport Techniques to Learn Permutations.
  Mena G., Belanger D., Muñoz G. and Snoek J. NIPS Workshop in Optimal Transport and Machine Learning, 2017.
• Robust optimization of power network operation: storage devices and the role of forecast errors in renewable energies.
  Matke C., Bienstock D., Muñoz G., Yang S., Kleinhans D. and Sager S. Complex Networks & Their Applications V. Studies in Computational Intelligence, vol 693, pp. 809-820, 2017.
• Approximate method for AC transmission switching based on a simple relaxation for AC-OPF problems.
  Bienstock D. and Muñoz G. Power & Energy Society General Meeting, IEEE pp. 1-5, July 2015.
• Open Pit Mine Scheduling under uncertainty: a robust approach.
  Espinoza D., Goycoolea M., Moreno E., Muñoz G., and Queyranne M. APCOM 2013 - Applications of Computers and Operations Research in the Mineral Industry, pp. 433-444, 2013.

Ph.D. Thesis

• Integer programming techniques for Polynomial Optimization. Columbia University Academic Commons, 2017.

Engineering Degree Thesis

• Linear Integer Programming Models and Applications in Mining (in Spanish). Academic Repository Universidad de Chile, 2012.