Signed graphs and the freeness of the Weyl subarrangements of type \(B_\ell\)

DOI10.1016/j.disc.2018.09.029zbMath1400.05106arXiv1707.01967OpenAlexW2733444847MaRDI QIDQ1618244

Michele Torielli, Daisuke Suyama, Shuhei Tsujie

Publication date: 13 November 2018

Published in: Discrete Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1707.01967

zbMATH Keywords

chordal graphsigned graphsupersolvable arrangementhyperplane arrangementfree arrangementgraphic arrangementWeyl arrangement

Mathematics Subject Classification ID

Arrangements of points, flats, hyperplanes (aspects of discrete geometry) (52C35) Signed and weighted graphs (05C22)

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