Generalized Braid Groups and Mapping Class Gropus

Author:

Labruere C.1

Affiliation:

1. Université de Bourgogne, Laboratoire de Topologie, 9 avenue Alain Savary, BP.400 - 21011 DIJON Cedex, France

Abstract

Given a chord system of D2, we associate a generalized braid group, a surface and a homomorphism from this braid group to the mapping class group of the surface. We disprove a conjecture stated in an article by Perron and Vannier by showing that generally this homomorphism is not injective.

Publisher

World Scientific Pub Co Pte Lt

Subject

Algebra and Number Theory

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