Laboratoire d'Informatique théorique et quantique - Logo


Welcome to our website. Our laboratory (Laboratoire d’Informatique Théorique et Quantique) is part of the Computer Science and Operations Research Department (Département d’Informatique et de Recherche Opérationnel) of Université de Montréal. Our group counts 6 professors and is very active both in research and education.

We are working on several aspects of computer science and physics. More precisely we study classical and quantum cryptography, computational complexity, quantum information processing, foundation of quantum mechanics and the graph theory.

LITQ is always looking for good students from all levels and likes having visitors.

Recent publications

Michaël Cadilhac and Alain Finkel and Pierre McKenzie,
Storming the Parikh Automaton,
2011, [bib] [eprint]
Anne Broadbent and Stacey Jeffery and Alain Tapp,
Exact, Efficient and Information-Theoretically Secure Voting with an Arbitrary Number of Cheaters,
2010, [bib] [eprint]
Frédéric Dupuis and Jesper Buus Nielsen and Louis Salvail,
Secure two-party quantum evaluation of unitaries against specious adversaries,
2010, [bib] [eprint]

Latest news

Gilles Brassard in the running for Canada’s most prestigious science and engineering prize


Gilles Brassard is one of three finalists for the Gerhard Herzberg Canada Gold Medal, the most prestigious science and engineering prize in Canada, which would increase his research funding from the Natural ...



LITQ is always looking for good students from the undergraduate level to post doctoral fellows.

Hat-trick for Université de Montréal scientists


The Université de Montréal has excelled at the 2010 Natural Sciences and Engineering Research Council of Canada (NSERC) Awards. Three Université de Montréal researchers won major prizes, including ...

Upcoming events

Sylvain Allard