A presentation of mapping class groups in terms of Artin groups and geometric monodromy of singularities
- Cite this article as:
- Matsumoto, M. Math Ann (2000) 316: 401. doi:10.1007/s002080050336
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From Wajnryb's presentation, we extract a simple presentation of the mapping class group of the genus g surface as a quotient of an Artin group by simple relations among the centers of sub-Artin groups. Topological meanings are given by using deformation of simple singularities.