Laurent Poirrier

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About

I am a postdoc in Combinatorics and Optimization at the University of Waterloo, with Ricardo Fukasawa.

I did my PhD at the Montefiore Institute (University of Liège), with Quentin Louveaux.

Contact:
Room MC 6032, extension 31080, UWaterloo
poirrier  at montefiore.ulg.ac.be

Bio:
2003 - 2008:Engineering in Electronics, University of Liège
2008 - 2012:PhD in Applied Sciences, University of Liège
2012 - 2013:Postdoc, University of Padova
2013 -:Postdoc, University of Waterloo

Research Interests


Papers

(authors in alphabetical order)

PhD thesis

L. Poirrier. "Multi-row approaches to cutting plane generation", October 2012, PhD thesis.

Presentations




Teaching

Math 115: Linear Algebra for Engineers (Spring 2015)

Course outline.

Link: image manipulation with transformation matrices.

Assignment 1: questions. solutions. quiz. Due Thursday, May 14th at the tutorial.
Assignment 2: questions. solutions. quiz. Due Thursday, May 21th at the tutorial.
Assignment 3: questions. solutions. quiz. Due Thursday, May 28th at the tutorial.
Assignment 4: questions. solutions. quiz. Due Thursday, June 4th at the tutorial.
Assignment 5: questions. solutions. quiz. Due Thursday, June 11th at the tutorial.
Assignment 6: questions. solutions. quiz. Due Thursday, June 25th at the tutorial.
Assignment 7: questions. solutions. quiz. Due Thursday, July 2nd at the tutorial.
Assignment 8: questions. solutions. quiz. Due Thursday, July 9th at the tutorial.
Assignment 9: questions. solutions. quiz. Due Thursday, July 23rd at the tutorial.

Useful information for the midterm:
Useful information for the final:

Tutoring at ULg (2008 - 2012)

See archived tutorials.



Software

pxx - Modeling tools for linear optimization (C++ library):
task - a task scheduler for distributed computations (see documentation)

now - a terminal-based month-view calendar.


Older projects

Particle-based simulation

Algorithms for efficient short-range interaction detection in particle-based simulations.

Master thesis: L. Poirrier. "Simulation d'interactions dynamiques", 2008

Gemvid

J.E. Poirrier, L. Poirrier, P. Leprince, P. Maquet. "Gemvid, an open source, modular, automated activity recording system for rats using digital video" Journal of Circadian Rhythms 2006, 4:10 full text web site

Outdated version 0.6 available here.
Version 0.8 pre-releases: a, b, c

J.E.'s presentation at FOSDEM 2009: 090207-gemvid.pdf

Laurent Poirrier - 2015