Affine and toric arrangements

oleh: Richard Ehrenborg, Margaret Readdy, Michael Slone

Format: Article
Diterbitkan: Discrete Mathematics & Theoretical Computer Science 2008-01-01

Deskripsi

We extend the Billera―Ehrenborg―Readdy map between the intersection lattice and face lattice of a central hyperplane arrangement to affine and toric hyperplane arrangements. For toric arrangements, we also generalize Zaslavsky's fundamental results on the number of regions.