Conference matrices and unimodular lattices

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Conference matrices are used to define complex structures on real vector spaces. Certain lattices in these spaces become modules for rings of quadratic integers. Multiplication of these lattices by non-principal ideals yields simple constructions of further lattices including the Leech lattice.
17 pages. Subitted to European Journal of Combinatorics

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Number Theory, Combinatorics, 11H71 (Primary) 105B20, 94B15 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/59595

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0007116
 http://arxiv.org/abs/math/0007116

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arXiv