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math.CO2017
The Varchenko Determinant of a Coxeter Arrangement
Götz Pfeiffer, Hery Randriamaro
The Varchenko determinant is the determinant of a matrix defined from an arrangement of hyperplanes. Varchenko proved that this determinant has a beautiful factorization. It is, ho…
math.GR2017★ 8 cited
On the Table of Marks of a Direct Product of Finite Groups
Brendan Masterson, Götz Pfeiffer
We present a method for computing the table of marks of a direct product of finite groups. In contrast to the character table of a direct product of two finite groups, its table of…