Abstract
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.
Citation
Masahiko Yoshinaga. "The primitive derivation and freeness of multi-Coxeter arrangements." Proc. Japan Acad. Ser. A Math. Sci. 78 (7) 116 - 119, Sept. 2002. https://doi.org/10.3792/pjaa.78.116
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