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math.CO2007★ 1 cited
The characteristic quasi-polynomials of the arrangements of root systems and mid-hyperplane arrangements
Hidehiko Kamiya, Akimichi Takemura, Hiroaki Terao
Let be a positive integer. In our recent paper, we proved that the cardinality of the complement of an integral arrangement, after the modulo reduction, is a quasi-polynomi…
math.CO2007
Periodicity of hyperplane arrangements with integral coefficients modulo positive integers
Hidehiko Kamiya, Akimichi Takemura, Hiroaki Terao
We study central hyperplane arrangements with integral coefficients modulo positive integers . We prove that the cardinality of the complement of the hyperplanes is a quasi-poly…