Quasi-Symmetric Designs Related to the Triangular Graph

机译：与三角图相关的拟对称设计

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Let T(sub m) be the adjacency matrix of the triangular graph. The authors give conditions for a linear combination of T(sub m), I and J to be decomposable. This leads to Bruck-Ryser-Chowla like conditions for what they call triangular designs. These are quasi-symmetric designs whose block graph is the complement of the triangular graph. For these designs the conditions turn out to be stronger than the known non-existence results for quasi-symmetric designs.

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Coster, W. J.; Haemers, W. H.;
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年度 1993
页码 1-25
总页数 25
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Combinatorial analysis ; Graph theory ; Symmetry ; Matrices(Mathematics);

机译：组合分析;图论;对称性;矩阵（数学）;

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Quasi-Symmetric Designs Related to the Triangular Graph

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