Submitted papers
2024: T. Miyaishi, R. Nozawa, P.L. Poirion, A. Takeda, Subspace Quasi-Newton Method with Gradient Approximation. arXiv:2406.01965
2023: R. Nozawa, P.L. Poirion, A. Takeda, Randomized subspace gradient method for constrained optimization. arXiv:2307.03335
Journals papers
2025: T. Fuji, P.L. Poirion, A. Takeda, Randomized subspace regularized Newton method for unconstrained non-convex optimization. arXiv:2209.04170 (accepted in Open Journal of Mathematical Optimization)
2025: M. Guedes-Ayala, P.L. Poirion, L. Schewe, A. Takeda, Sparse Sub-gaussian Random Projections for Semidefinite Programming Relaxations. arXiv:2406.14249 (accepted in Journal of Global Optimization)
2025: R. Nozawa, P.L. Poirion, A. Takeda , Zeroth-Order Random Subspace Algorithm for Non-smooth Convex Optimization. Journal of Optimization Theory and Applications 204(3):53.
2023: L. Liberti, B. Manca, P.L. Poirion. Random projections for Linear Programming: an improved retrieval phase. Journal of Experimental Algorithmics 28(2.2) pp. 1–33.
2023: C. Bentz, M.-C. Costa, P.L. Poirion, T. Ridremont. Robust capacitated trees and networks with uniform demands. Networks. 82, pp.3– 31.
2023: P.L. Poirion, B. Lourenco, A. Takeda. Random projections of Linear and Semidefinite problem with linear inequalities. Linear Algebra and Its Applications 664: pp. 24-60.
2021: T. Fuji, P.L. Poirion, A. Takeda. Convexification with bounded gap for randomly projected quadratic optimization. SIAM Journal on Optimization 32(2), pp. 874-899.
2021: L. Liberti, P.L. Poirion, K. Vu. Random projections for conic programming. Linear Algebra and Its Applications 626 :pp. 204-220.
2020: C. D'Ambrosio, L. Liberti, P.L. Poirion, K. Vu. Random projections for quadratic programs, Mathematical Programing, 183(1): 619-647.
2020: P.L. Poirion, S. Toubaline, C. D’ambrosio, L. Liberti. Algorithms and applications for a class of bilevel MILPs, Discrete Applied Mathematics (DAM), 272:75-89.
2019: P.L. Poirion. Optimal constraint aggregation method for ILP, Discrete Applied Mathematics, 262:148-157.
2019: K. Vu, P.L. Poirion, L. Liberti. Gaussian random projection for Euclidean membership problems Discrete Applied Mathematics (DAM), 253: 93-102
2018: S. Toubaline, C. D'ambrosio, L. Liberti, P.L. Poirion, B. Schieber, H. Shachnai. Complexity and inapproximability results for the Power Edge Set problem, Journal of Combinatorial Optimization, 35 (3): 895–905
2018: K. Vu, P.L. Poirion, L. Liberti. Random projection for linear programming, Mathematics of Operations Research, 43(4): 1051-1071.
2016: P-L. Poirion, S. Toubaline, C. D’Ambrosio, L. Liberti. The Power Edge Set problem Networks ,68 (2): 104-120.
2016: Pierre-Louis Poirion. Robust linear programming; optimal sizing of an hybrid energy stand-alone system 4OR, Phd Thesis, Springer, October 2015.
2016: A. Billionnet, M.C. Costa, P.L. Poirion. Robust optimal sizing of an hybrid energy stand-alone system, European Journal of Operational Research, 254(2): 565–575, 2016.
2014: A. Billionnet, M.C. Costa, P.L. Poirion. 2-Stage Robust MILP with continuous recourse variables, Discrete Applied Mathematics, 170: 21-32, 2014.
Conferences, full paper, refereed
2025 A. Han, P.L. Poirion, A. Takeda, Efficient optimization with orthogonality constraint: a randomized Riemannian submanifold method, the Forty-Second International Conference on Machine Learning (ICML), 2025.
2025 R. Higuchi, P.L. Poirion, A. Takeda. Improving Convergence Guarantees of Random Subspace Second-order Algorithm for Nonconvex Optimization. ICLR 2025 (Splotlight paper)
2022 L. Liberti, B. Manca, A. Oustry, P.-L. Poirion, Random projections for semidefinite programming, P. Cappanera et al (eds), Proceedings of AIRO-ODS 2022, Springer, Cham.
2022: L. Liberti, B. Manca and P.L. Poirion. Practical performance of Random Projections in Linear Programming, Proceedings of the 20th International Symposium Experimental Algorithms (SEA22)
2019: K. Vu, P.L. Poirion, L. Liberti, C. D'Ambrosio. Random projections for quadratic programs over a Euclidean ball, IPCO 2019: 442-452.
2019: C. D'Ambrosio, L. Liberti, P.L. Poirion, S. Toubaline. On the Observability of Smart Grids and Related Optimization Methods. OR 2019: 281-287
2018: PL Poirion, J. Leguay, Liu Ruosi. Scalable request routing for VR-Ready CDNs 21st Conference on Innovation in Clouds, Internet and Network 2018:1-6.
2018: L. Maggi, P.L. Poirion, Jeremie Leguay. Reroute Backward to Better Break Deadlocks IEEE 6th International Conference on Cloud Networking, 95-100.
2018: C. Bentz, M.C. Costa, P.L. Poirion, T. Ridremont Formulations for designing robust networks. An application to wind power collection INOC, Electron. Notes Discret. Maths. 64: 365-374.
2018: P.L. Poirion, J.F. Baffier, V. Suppatkitpaisarn Bilevel Model for Adaptive Network Flow Problem INOC, Electron. Notes Discret. Maths. 64: 105-114.
2016: L. Liberti, P.L. Poirion, K. Vu. Solving LP using random projections CTW, ENDM (ISSN: 1571-0653)
2016: D. Watel, P-L. Poirion. The Maximum Matrix Contraction problem, 4th International Symposium on Combinatorial Optimization (ISCO'16)
2015 S. Toubaline, P-L. Poirion, C. D’Ambrosio, L. Liberti. Observing the state of a smart grid using bilevel programming 19 th Annual International Conference on Combinatorial Optimization and Applications ( COCOA’15), LNCS
Short papers in international conferences, refereed
2022: L. Liberti, B. Manca, P.-L. Poirion, Random projections for quadratically constrained quadratic programs, Proceedings of the 15th Workshop of Global Optimization (HuGO22), University of Szeged
2022: L. Liberti, B. Manca, P.-L. Poirion, Random projections for the distance geometry problem, Proceedings of the Discrete Mathematics Days workshop (DMD20/22)
2015: K. Vu, P.L. Poirion, L. Liberti Random projection for linear and integer programming JCDGG 18th Japan Conference on Discrete and Computational Geometry and Graphs, Kyoto Japan
2014: P.L. Poirion, S. Toubaline, C. D’Ambrosio and L. Liberti. Localization on smart grids Workshop Mathematical and Applied Global Optimization 2014 (MAGO’14),p. 101-103, 2014
2011: A. Billionnet, M.C. Costa, P.L. Poirion. Optimizing an hybrid energy system In proceeding of the Conference on Optimization and Practices in Industry (COPI’11), 2011, Paris