We will prove the freeness of multi-Coxeter arrangements by
constructing a basis of the module of vector fields which contact
to each reflecting hyperplanes with some multiplicities using
K. Saito's theory of primitive derivation.
@article{1148392632,
author = {Yoshinaga, Masahiko},
title = {The primitive derivation and freeness of multi-Coxeter arrangements},
journal = {Proc. Japan Acad. Ser. A Math. Sci.},
volume = {78},
number = {10},
year = {2002},
pages = { 116-119},
language = {en},
url = {http://dml.mathdoc.fr/item/1148392632}
}
Yoshinaga, Masahiko. The primitive derivation and freeness of multi-Coxeter arrangements. Proc. Japan Acad. Ser. A Math. Sci., Tome 78 (2002) no. 10, pp. 116-119. http://gdmltest.u-ga.fr/item/1148392632/