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Name?
editWhy should anybody care enough to even give it a name? The article should address that characteristic before bothering with the details. — DAGwyn 71.121.204.138 (talk) 14:40, 6 February 2016 (UTC)
- It seems to me that this set of vectors is not a root system. The vectors all have norm one but the inner products are not all half integers. — Preceding unsigned comment added by 134.58.253.57 (talk) 15:42, 3 January 2018 (UTC)