For an integral lattice $L$, the minimal vectors of $L$ come in pairs: if $\vec{v}$ is a minimal vector, then so is $-\vec{v}$. A minimal vector is **normalized** if its first nonzero component is positive.

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- Last edited by Kiran S. Kedlaya on 2018-06-27 09:51:25

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- 2018-06-27 09:51:25 by Kiran S. Kedlaya (Reviewed)