Configuration Spaces: Geometry, Combinatorics and Topology
timetable:
Wed 19 May, 17:30 - 18:30, Sala Conferenze Centro De Giorgi
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WEEKLY SEMINAR: Residual nilpotence for the fundamental group of reflection arrangements
speaker: Ivan Marin (Université de Picardie-Jules Verne)abstract: Residual torsion-free nilpotence is the strongest of the usual residual properties which can be expected to hold for the fundamental group of the complement of an arbitrary hyperplane arrangement. Is is known to hold for supersolvable or ber-type arrangements thanks to the work of Falk and Randell. This case includes the most standard reflection arrangements, but leaves open the case of many others. I will present advances and evidences toward a positive answer to the general problem, in the case of reflection arrangements.
timetable:
Wed 19 May, 17:30 - 18:30, Sala Conferenze Centro De Giorgi
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