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Equipo : PolSys - Polynomial Systems


Responsable : Jean-Charles Faugère Site Jussieu 26-00/317

Breve presentación

POLSYS/SALSA is a joint team between INRIA and University Pierre and Marie Curie. Our group is internationally recognized as one of the leading group in the area of solving systems of polynomial equations/inequalities (non-linear systems) using exact methods. Our goal is to develop efficient algorithms for computing the complex solutions and/or the real ones or in a finite field. Our group has developed several fundamental algorithms, in particular algorithms for computing Gröbner bases and algorithms based on the so-called critical point method. Complexity issues are also investigated and recently our group has obtained results for structured polynomial systems (systems with symmetries, overdetermined or bilinear systems,…) enabling to identify some classes of problems that can be solved in polynomial time.
The practical efficiency of our algorithms relies on highly efficient linear algebra libraries. Hence, our group is involved in the development of parallel high performance linear algebra packages. Algorithms and software developed by our group are validated by solving challenging applications arising in scientific computing. Beyond the wide range of studied applications, the group focuses on:

Our software are devoted to be used in real life applications and teaching. The valorization of this software activity is ensured by their integration in recent releases of the Computer Algebra system Maple (distributed by the WMI Canadian Company)
As a prospective subject, we investigate a new research direction which consists in exploiting interactions between symbolic and numeric computing.

Computer Algebra. Polynomial System Solving. Gröbner Bases. Complexity. Real roots. Parametric systems. Cryptology. Algebraic Cryptanalysis. Algebraic Computational Geometry. Applications. Symbolic/Numeric Interaction. Software. High performance Linear Algebra.

Actualmente, no hay ninguna manifestación planeada.

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Jean-Charles.Faugere (at) nulllip6.fr

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