Inductively free Multiderivations of Braid arrangements (1502.02393v3)

Published 9 Feb 2015 in math.CO

Abstract: The reflection arrangement of a Coxeter group is a well known instance of a free hyperplane arrangement. In 2002, Terao showed that equipped with a constant multiplicity each such reflection arrangement gives rise to a free multiarrangement. In this note we show that this multiarrangment satisfies the stronger property of inductive freeness in case the Coxeter group is of type $A$.

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