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Ars Combinatoria

  • Research article

Direct Sum, Direct Product and Lexicographic Product of Lattices

Zengti Li1
1 Department of Mathematics Langfang Normal College Langfang, 065000, P.R. China
  • Published: 31/07/2011

Abstract

This article discusses the geometricity of the direct sum, direct product and lexicographic products of two lattices, and compute their characteristic polynomials and classify their geometricity.

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Citation
Zengti Li. Direct Sum, Direct Product and Lexicographic Product of Lattices[J], Ars Combinatoria, Volume 101. 209-215. .