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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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Section: New Software and Platforms

Rewr

Rewriting methods in algebra

Keywords: Computer algebra system (CAS) - Rewriting systems - Algebra

Functional Description: Rewr is a prototype of computer algebra system, using rewriting methods to compute resolutions and homotopical invariants of monoids. The library implements various classical constructions of rewriting theory (such as completion), improved by experimental features coming from Garside theory, and allows homotopical algebra computations based on Squier theory. Specific functionalities have been developed for usual classes of monoids, such as Artin monoids and plactic monoids.

News Of The Year: Rewr has been extended with the experimental KGB completion algorithm, based on Knuth-Bendix completion procedure improved by techniques coming from Garside theory.