Non-existence of quasi-symmetric designs with restricted block graphs

DOI10.1007/s10623-022-01016-4zbMath1487.05034OpenAlexW4214551665WikidataQ114849782 ScholiaQ114849782MaRDI QIDQ2119939

Rajendra M. Pawale, Kusum S. Rajbhar, Mohan S. Shrikhande

Publication date: 31 March 2022

Published in: Designs, Codes and Cryptography (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10623-022-01016-4

zbMATH Keywords

strongly regular graphsblock graphquasi-symmetric designs

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Association schemes, strongly regular graphs (05E30) Orthogonal arrays, Latin squares, Room squares (05B15) Graph designs and isomorphic decomposition (05C51)

Cites Work

• Unnamed Item
• Quasi-symmetric designs with the difference of block intersection numbers two
• On quasi-symmetric designs with intersection difference three
• Non-derivable strongly regular graphs from quasi-symmetric designs
• Quasi-symmetric 2,3,4-designs
• Strongly regular graphs having strongly regular subconstituents
• Parametric restrictions on quasi-symmetric designs
• Conditions for the parameters of the block graph of quasi-symmetric designs
• Quasi-symmetric designs with fixed difference of block intersection numbers
• Strongly Regular Graphs Derived from Combinatorial Designs

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