English

The primitive derivation and freeness of multi-Coxeter arrangements

Combinatorics 2007-05-23 v1 Algebraic Geometry Representation Theory

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.

Keywords

Cite

@article{arxiv.math/0206216,
  title  = {The primitive derivation and freeness of multi-Coxeter arrangements},
  author = {Masahiko Yoshinaga},
  journal= {arXiv preprint arXiv:math/0206216},
  year   = {2007}
}

Comments

7 pages