Abstract
We compute the Poincaré polynomial of hyperplane arrangements associated with a class of signed complete graphs. We also make a factorization of the Poincaré polynomial over the integers.
Information
Published: 1 January 2008
First available in Project Euclid: 16 December 2018
zbMATH: 1144.52025
MathSciNet: MR2409562
Digital Object Identifier: 10.2969/aspm/05010289
Subjects:
Primary:
52C35
Secondary:
05C22
,
06C05
Keywords:
free arrangement
,
hyperplane arrangement
,
signed graph
Rights: Copyright © 2008 Mathematical Society of Japan