Coxeter multiarrangements with quasi-constant multiplicities

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We study structures of derivation modules of Coxeter multiarrangements with quasi-constant multiplicities by using the primitive derivation. As an application, we show that the characteristic polynomial of a Coxeter multiarrangement with quasi-constant multiplicity is combinatorially computable.
12 pages

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Combinatorics, Commutative Algebra, 52C35 (Primary); 32S22 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/136602

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.3228
 http://arxiv.org/abs/0708.3228

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arXiv