Geodesic
Angle Measures of some Cones Associated with Finite Reflection Groups
Journal of Lie theory, Tome 19 (2009) no. 4, pp. 767-769.

Voir la notice de l'article provenant de la source Heldermann Verlag

We give a generalization of "Curious Identity" of De Concini and Procesi. Our proof is based on the recent result of Waldspurger about the decomposition of the cone dual to the fundamental chamber of a finite reflection group as a disjoint union of some subcones.
Classification : 17B22
Mots-clés : Finite reflection groups, fundamental chamber, cone of positive roots, relative angle measure 
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     author = {P. V. Bibikov and V. S. Zhgoon },
     title = {Angle {Measures} of some {Cones} {Associated} with {Finite} {Reflection} {Groups}},
     journal = {Journal of Lie theory},
     pages = {767--769},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/JLT_2009_19_4_JLT_2009_19_4_a7/}
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P. V. Bibikov; V. S. Zhgoon . Angle Measures of some Cones Associated with Finite Reflection Groups. Journal of Lie theory, Tome 19 (2009) no. 4, pp. 767-769. http://geodesic.mathdoc.fr/item/JLT_2009_19_4_JLT_2009_19_4_a7/