Richard Ehrenborg ; Margaret Readdy ; Michael Slone
-
Affine and toric arrangements
dmtcs:3625 -
Discrete Mathematics & Theoretical Computer Science,
January 1, 2008,
DMTCS Proceedings vol. AJ, 20th Annual International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2008)
-
https://doi.org/10.46298/dmtcs.3625
Affine and toric arrangementsArticle
Authors: Richard Ehrenborg 1; Margaret Readdy 1; Michael Slone 1
0000-0001-5854-3890##0000-0002-3648-0865##NULL
Richard Ehrenborg;Margaret Readdy;Michael Slone
1 Department of Mathematics
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.