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Barcelona Algebraic Topology Group

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Barcelona Algebraic Topology Group

This is the web site of the Algebraic Topology Team in Barcelona (Grup de Topologia Algebraica de Barcelona, 2009SGR-1092). Our research interests include a variety of subjects in algebraic topology, group theory, homological algebra, and category theory. Here you will find information about us and our common activities.

Friday's Topology Seminar 2014-2015 PDF

Date and place: March 27,  2015. 12:00. CRM Aula A1.

Speaker : Jean Michel (Université Denis Diderot - Paris 7)

Title: The K(∏,1) property for complex reflection arrangements and the dual braid monoid

Abstract: David Bessis, while proving the property that complex reflection arrangements are K(∏,1), has constructed an important monoid, the dual braid monoid, which describes the structure of braid groups of well-generated complex reflection groups. This monoid is already very insteresting for finite Coxeter groups. I will explain these topics assuming no previous knowledge.



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