Biangular lines revisited (Q2230922)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Biangular lines revisited |
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Biangular lines revisited (English)
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29 September 2021
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Line systems passing through the origin of the \(d\)-dimensional Euclidean space admitting exactly two distinct angles are called biangular. In this paper, the authors show that the maximus cardinality of biangular lines is at least \(2(d-1)(d-2)\), and this result is sharp for \(d\in\{4,5,6\}\).
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biangular lines
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few-distance sets
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