Quasi-residual 2-designs, 1,5-designs, and strongly regular multigraphs

DOI10.1007/BF00147577zbMath0523.05012MaRDI QIDQ1056752

Arnold Neumaier

Publication date: 1982

Published in: Geometriae Dedicata (Search for Journal in Brave)

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50)

Related Items (7)

A survey of some problems in combinatorial designs - a matrix approach ⋮ Quasi-residual designs, \(1{1\over 2}\)-designs, and strongly regular multigraphs ⋮ Distances, graphs and designs ⋮ Triple arrays and related designs ⋮ On the automorphism groups of strongly regular graphs. II. ⋮ Strongly regular graphs with smallest eigenvalue -m ⋮ Double arrays, triple arrays and balanced grids

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