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For an integral lattice, $L$, the level is the smallest integer, $k$, such that $k\cdot B(\vec{v},\vec{v})\in 2\mathbb Z$ for all $\vec{v}$ in the dual of $L$.

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• Review status: beta
• Last edited by Kiran S. Kedlaya on 2018-06-19 02:57:00.318000