Z6-Code Constructions of the Leech Lattice and the Niemeier Lattices
Z6-Code Constructions of the Leech Lattice and the Niemeier Lattices
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Leech 晶格和 Niemeier 晶格的 Z6 代码结构
DOI:
10.1006/eujc.2002.0557
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发表时间:
2002
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通讯作者:
Masaaki Kitazume
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作者:
M. Harada;Masaaki Kitazume
In this paper, we construct many new extremal Type II Z6-codes of length 24, and consequently we show that there is at least one extremal Type II Z6-code C of length 24 such that the binary and ternary reductions of C are B and T, respectively, for every binary Type II code B and every extremal ternary self-dual code T. These codes give more Z6-code constructions of the Leech lattice. It is also shown that every Niemeier lattice contains a (4 k2+ 2k+ 6)-frame for every integer k.
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