• Title/Summary/Keyword: nice partition

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FREE ARRANGEMENTS AND NICE PARTITIONS

  • Choi, Hyun-Hee;Lee, Ki-Suk
    • Communications of the Korean Mathematical Society
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    • v.17 no.3
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    • pp.439-449
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    • 2002
  • If an arrangement admits a nice partition, or an arrangement is free, then the characteristic polynomial of the arrangement can be factored. It is known that a free arrangement does not always admit a nice partition. We show that even an inductively free arrangement does not always admit a nice partition.