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On the structure of multipliers of ℤ 2

Author

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  • Edgar Martínez-Moro
  • Roberto Canogar-Mckenzie

Abstract

We show the combinatorial structure of ℤ 2 modulo sublattices similar to ℤ 2 . The tool we use for dealing with this purpose is the notion of association scheme. We classify when the scheme defined by the lattice is imprimitive and characterize its decomposition in terms of the decomposition of the Gaussian integer defining the lattice. This arises in the classification of different forms of tiling ℤ 2 by lattices of this type. The main application of these structures is that they are closely related to two-dimensional signal constellations with a Mannheim metric in the coding theory.

Suggested Citation

  • Edgar Martínez-Moro & Roberto Canogar-Mckenzie, 2003. "On the structure of multipliers of ℤ 2," International Journal of Mathematics and Mathematical Sciences, Hindawi, vol. 2003, pages 1-12, January.
    • Handle: RePEc:hin:jijmms:756760
    DOI: 10.1155/S0161171203203124
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