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On Free Deformations of the Braid Arrangement

✍ Scribed by Christos A. Athanasiadis

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
175 KB
Volume
19
Category
Article
ISSN
0195-6698

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✦ Synopsis

We classify the hyperplane arrangements between the cones of the braid arrangement and the Shi arrangement of type A n-1 which are free, in the sense of Terao. We also prove that the cones of the extended Shi arrangements of type A n-1 are free, verifying part of a conjecture of Edelman and Reiner.

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