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  • The Inria's Research Teams produce an annual Activity Report presenting their activities and their results of the year. These reports include the team members, the scientific program, the software developed by the team and the new results of the year. The report also describes the grants, contracts and the activities of dissemination and teaching. Finally, the report gives the list of publications of the year.

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DISCO - 2011

Section: Software


Participants : Alban Quadrat [correspondent] , Anna Fabiańska [Univ. Aachen] .

The Quillen-Suslin package [110] contains an implementation of the famous Quillen-Suslin theorem [130] , [133] . In particular, this implementation allows us to compute bases of free modules over a commutative polynomial ring with coefficients in a field (mainly ) and in a principal ideal domain (mainly ). The development of the Quillen-Suslin package was motivated by different constructive applications of the Quillen-Suslin theorem in multidimensional systems theory [110] (e.g., the Lin-Bose conjectures, the computation of (weakly) left/right/doubly coprime factorizations of rational transfer matrices, the computation of injective parametrizations of flat linear multidimensional systems with constant coefficients, the reduction and decomposition problems, Serre's reduction problem). To our knowledge, the Quillen-Suslin package is the only implementation of the Quillen-Suslin theorem nowadays available. The binary of the package is freely available at .