SĂ©minaire Gaston Darboux

Le vendredi 05 juin 2015 à 11:15 - salle 431

Vladimir Verchinine
Tresses Brunniennes et les algèbres de Lie

Brunnian braids have interesting relations with homotopy groups of spheres. In this work, we study the graded Lie algebra of the descending central series related to Brunnian subgroup of the pure braid group. A presentation of this Lie algebra is obtained.



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