Conditions for the parameters of the block graph of quasi-symmetric designs

zbMath1307.05024MaRDI QIDQ2256133

Rajendra M. Pawale, Shubhada M. Nyayate, Mohan S. Shrikhande

Publication date: 19 February 2015

Published in: The Electronic Journal of Combinatorics (Search for Journal in Brave)

Full work available at URL: http://www.combinatorics.org/ojs/index.php/eljc/article/view/v22i1p36

zbMATH Keywords

strongly regular graphblock graphquasi-symmetric design

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Association schemes, strongly regular graphs (05E30) Other designs, configurations (05B30) Orthogonal arrays, Latin squares, Room squares (05B15) Combinatorial aspects of finite geometries (05B25)

Related Items

Non-existence of quasi-symmetric designs with restricted block graphs ⋮ Quasi-symmetric designs on 56 points ⋮ Non-derivable strongly regular graphs from quasi-symmetric designs ⋮ Parametric restrictions on quasi-symmetric designs ⋮ New quasi-symmetric designs by the Kramer-Mesner method

Uses Software

• Mathematica

Cites Work

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• Non-Existence of Some Unsymmetrical Partially Balanced Incomplete Block Designs
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