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单词 EvenLattice
释义

even lattice


A lattice L in n is if the norm of every vector in L is an even integer. Note that because of the polarization identityPlanetmathPlanetmath

(x,y)=(x+y,x+y)-(x,x)-(y,y)2

it follows that all scalar productsMathworldPlanetmath in an even lattice are .

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更新时间:2025/5/4 19:19:46