Some remarks on free arrangements
We exhibit a particular free subarrangement of a certain restriction of the Weyl arrangement of type $E_7$ and use it to give an affirmative answer to a recent conjecture by T.~Abe on the nature of additionally free and stair-free arrangements.
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| Format: | Artikel |
| Sprache: | eng |
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| Zusammenfassung: | We exhibit a particular free subarrangement of a certain restriction of the
Weyl arrangement of type $E_7$ and use it to give an affirmative answer to a
recent conjecture by T.~Abe on the nature of additionally free and stair-free
arrangements. |
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| DOI: | 10.48550/arxiv.1903.01438 |