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On commutator subgroups of Artin groups

โœ Scribed by S. Yu. Orevkov


Book ID
114993230
Publisher
SP MAIK Nauka/Interperiodica
Year
2012
Tongue
English
Weight
193 KB
Volume
85
Category
Article
ISSN
1064-5624

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We show that the subgroup fixed by a group of symmetries of an Artin system (A, S) is itself an Artin group under the hypothesis that the Deligne complex associated to A admits a suitable CAT(0) metric. Such a metric is known to exist for all Artin groups of type FC, which include all the finite typ