The primitive derivation and freeness of multi-Coxeter arrangements

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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.
7 pages

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Combinatorics, Algebraic Geometry, Representation Theory, 32S22: 05E15: 20F55

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http://salesiana.dossiersoluciones.com/handle/123456789/64354

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0206216
 http://arxiv.org/abs/math/0206216
 Proc. Japan Acad. Ser. 78(2002), no. 7, 116-119

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arXiv