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Adhérence de Zariski des groupes de Coxeter

Published inCompositio mathematica, vol. 140, no. 5, p. 1357-1366
Publication date2004
Abstract

We describe the Zariski closure of the geometric realization of Coxeter groups. When the Coxeter system is irreducible and the Tits form B non positive and non degenerate, this Zariski closure is equal to the orthogonal group of B.

Citation (ISO format)
BENOIST, Yves, DE LA HARPE, Pierre. Adhérence de Zariski des groupes de Coxeter. In: Compositio mathematica, 2004, vol. 140, n° 5, p. 1357–1366. doi: 10.1112/S0010437X04000338
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ISSN of the journal0010-437X
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