Peer-Reviewed Journal Details
Mandatory Fields
Pfeiffer, G,Rohrle, G
2005
August
Journal Of The Australian Mathematical Society
Special involutions and bulky parabolic subgroups in finite Coxeter groups
Published
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Optional Fields
HYPERPLANE COMPLEMENTS WEYL GROUPS NORMALIZERS
79
141
147
The conjugacy classes of so-called special involutions parameterize the constituents of the action of a finite Coxeter group on the cohomology of the complement of its complexified hyperplane arrangement. In this note we give a short intrinsic characterisation of special involutions in terms of so-called bulky parabolic subgroups.
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