Alexander Postnikov, Richard P. Stanley. Deformations of Coxeter Hyperplane Arrangements. Journal of Combinatorial Theory, Series A, 91(1-2):544-597, 2000. [doi]
@article{PostnikovS00,
title = {Deformations of Coxeter Hyperplane Arrangements},
author = {Alexander Postnikov and Richard P. Stanley},
year = {2000},
doi = {10.1006/jcta.2000.3106},
url = {http://dx.doi.org/10.1006/jcta.2000.3106},
researchr = {https://researchr.org/publication/PostnikovS00},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {91},
number = {1-2},
pages = {544-597},
}