
arXiv: 1505.04603
The aim of this note is a classification of all nice and all inductively factored reflection arrangements. It turns out that apart from the supersolvable instances only the monomial groups $G(r,r,3)$ for $r \ge 3$ give rise to nice reflection arrangements. As a consequence of this and of the classification of all inductively free reflection arrangements from Hoge and Röhrle (2015) we deduce that the class of all inductively factored reflection arrangements coincides with the class of all supersolvable reflection arrangements. Moreover, we extend these classifications to hereditarily factored and hereditarily inductively factored reflection arrangements.
Configurations and arrangements of linear subspaces, 20F55, 52B30, 52C35, 14N20, Group Theory (math.GR), Arrangements of points, flats, hyperplanes (aspects of discrete geometry), complex reflection groups, Reflection and Coxeter groups (group-theoretic aspects), nice reflection arrangements, FOS: Mathematics, Mathematics - Combinatorics, Combinatorics (math.CO), inductively factored arrangements, Mathematics - Group Theory
Configurations and arrangements of linear subspaces, 20F55, 52B30, 52C35, 14N20, Group Theory (math.GR), Arrangements of points, flats, hyperplanes (aspects of discrete geometry), complex reflection groups, Reflection and Coxeter groups (group-theoretic aspects), nice reflection arrangements, FOS: Mathematics, Mathematics - Combinatorics, Combinatorics (math.CO), inductively factored arrangements, Mathematics - Group Theory
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