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On The Torsion Homology of Non-Arithmetic Hyperbolic Tetrahedral Groups
Torsion Homology Non-Arithmetic Hyperbolic Tetrahedral Groups
2011/1/19
Numerical data concerning the growth of torsion in the first homology of non-arithmetic hyperbolic tetrahedral groups are collected. The data provide support the speculations of Bergeron and Venkatesh...
On the Homology of the Real Complement of the $k$-Parabolic Subspace Arrangement
Subspace Arrangements Coxeter Groups Discrete Morse Theory
2011/2/21
In this paper, we study k-parabolic arrangements, a generalization of the k-equal arrangement for any nite real re ection group. When k =2, these arrangements correspond to the well-studied Coxeter a...