Une Remarque sur les Syst�mes de Racines
Journal of Lie theory, Tome 17 (2007) no. 3, pp. 597-603
Voir la notice de l'article provenant de la source Heldermann Verlag
We prove that, for any based root system, the closed cone generated by the positive roots is the disjoint union of the cones (1-w)(C+), for w in the Weyl group, where C+ is the open positive chamber.
Classification :
20F55
Mots-clés : Root systems, Weyl groups
Mots-clés : Root systems, Weyl groups
@article{JLT_2007_17_3_JLT_2007_17_3_a9,
author = {J.-L. Waldspurger },
title = {Une {Remarque} sur les {Syst�mes} de {Racines}},
journal = {Journal of Lie theory},
pages = {597--603},
publisher = {mathdoc},
volume = {17},
number = {3},
year = {2007},
url = {http://geodesic.mathdoc.fr/item/JLT_2007_17_3_JLT_2007_17_3_a9/}
}
J.-L. Waldspurger . Une Remarque sur les Syst�mes de Racines. Journal of Lie theory, Tome 17 (2007) no. 3, pp. 597-603. http://geodesic.mathdoc.fr/item/JLT_2007_17_3_JLT_2007_17_3_a9/