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Relationships among lattices U14, C2xG23, A15+ and their Delaunay polytopes

Do you have any references explaining the relationships among the lattices U14, C2xG23 aka Q14, and A15+? Do you have any references explaining the relationships among these lattices and the 7D ...
Dan Haxton's user avatar
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1 answer
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Standard Gram matrices for lattices

I would like to define standard Gram matrices, and use them to help me understand the symmetries of lattices. I define "standard Gram matrix" as the Gram matrix g that minimizes the ...
Dan Haxton's user avatar
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262 views

Lattice basis reductions and finding minimal values

While reading several articles about lattice basis reduction I am left with a few questions. For one, I came across this piece of text Let $\alpha$ and $\beta \in \mathbb{R}$. Also let $X>0$ and $...
Zoe's user avatar
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