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Arrangements of ideal type are inductively free
release_rev_b49c6f26-b457-4f38-bc05-861680654f11
by
Michael Cuntz, Gerhard Roehrle, Anne Schauenburg
Released
as a article
.
2019
Abstract
Extending earlier work by Sommers and Tymoczko, in 2016 Abe, Barakat, Cuntz,
Hoge, and Terao established that each arrangement of ideal type
A_I stemming from an ideal I in the set of
positive roots of a reduced root system is free. Recently, Röhrle showed that
a large class of the A_I satisfy the stronger property of
inductive freeness and conjectured that this property holds for all
A_I. In this article, we confirm this conjecture.
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arXiv
1711.09760v2
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