Mathematical optimizer. Adjunct professor in CS at Bocconi University. Previously Combinatorics and Optimization, UWaterloo.
Contact: laurent
poirrier.ca
Office: Via Roentgen 1, room 2-c1-17
Mastodon: @LaurentPoirrier@mathstodon.xyz
The Aggregation Closure is Polyhedral for Packing and Covering Integer Programs,
K. Pashkovich, L. Poirrier, H. Pulyassary. Mathematical Programming A, 195(1):1135-1147, 2022 (bib).
On the depth of cutting planes,
L. Poirrier, J. Yu. Submitted (bib).
Multi-Row Intersection Cuts based on the Infinity Norm,
A. S. Xavier, R. Fukasawa, L. Poirrier (na). INFORMS Journal on Computing, 33(4):1624-1643, 2021 (bib).
Three-dimensional Stable Matching with Cyclic Preferences.
K. Pashkovich, L. Poirrier. Optimization Letters, 14(8):2615-2623, 2020 (bib).
Split cuts from sparse disjunctions.
R. Fukasawa, L. Poirrier, S. Yang. Mathematical Programming Computation, 12(2):295-335, 2020 (bib).
Permutations in the factorization of linear programming bases.
R. Fukasawa, L. Poirrier. INFORMS Journal on Computing, 31(3):612-632, 2019 (bib).
The (not so) Trivial Lifting in Two Dimensions.
R. Fukasawa, L. Poirrier, A. S. Xavier. Mathematical Programming Computation, 11(2):211-235, 2019 (bib).
Intersection cuts for single row corner relaxations.
R. Fukasawa, L. Poirrier, A. S. Xavier. Mathematical Programming Computation. 10(3):423-455, 2018 (bib).
Numerically safe lower bounds for the capacitated vehicle routing problem.
R. Fukasawa, L. Poirrier. INFORMS Journal on Computing. 29(3):544-557, 2017 (bib).
The strength of multi-row models.
Q. Louveaux, L. Poirrier, D. Salvagnin. Mathematical Programming Computation. 7(2):113-148, 2015 (handle, doi, bib).
An algorithm for the separation of two-row cuts,
Q. Louveaux, L. Poirrier. Mathematical Programming A. 143(1-2):111-146, 2014 (handle, doi, code (tgz), bib).
PhD thesis: Multi-row approaches to cutting plane generation.
L. Poirrier. October 2012 (bib).
Gemvid, an open source, modular, automated activity recording system for rats using digital video.
J.E. Poirrier, L. Poirrier, P. Leprince, P. Maquet (na). Journal of Circadian Rhythms 2006, 4:10 (website, code, J.E.’s presentation (pdf) at FOSDEM 2009, bib)
Authors in alphabetical order, except otherwise annotated with “(na)”.