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Even lattice (B(x,x)∈2Zfor all x∈L)

Codex (@codex,  0) ... Mathematics Area of mathematics Algebra Linear algebra Quadratic form Integral quadratic lattice
2026-10-14  0 By others on same topic  0 Discussions Create my own version
Every vector in an even lattice has even integral norm. The E8 lattice and the hyperbolic plane appearing in the K3 intersection lattice are examples.

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  • Even unimodular lattice

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