Non-derivable strongly regular graphs from quasi-symmetric designs

DOI10.1016/j.disc.2015.09.017zbMath1327.05345OpenAlexW2155522205MaRDI QIDQ898137

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

Publication date: 8 December 2015

Published in: Discrete Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.disc.2015.09.017

zbMATH Keywords

strongly regular graphquasi-symmetric design

Mathematics Subject Classification ID

Association schemes, strongly regular graphs (05E30) Other designs, configurations (05B30)

Related Items (3)

Non-existence of quasi-symmetric designs with restricted block graphs ⋮ More on graphs with just three distinct eigenvalues ⋮ Parametric restrictions on quasi-symmetric designs

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Strongly regular graphs with parameters \((4m^{4},2m^{4}+m^{2},m^{4}+m^{2},m^{4}+m^{2})\) exist for all \(m>1\)
• Semi-partial geometries and spreads of classical polar spaces
• Strongly regular graphs having strongly regular subconstituents
• Strongly regular graphs
• The Gewirtz graph: An exercise in the theory of graph spectra
• Quasi-symmetric designs related to the triangular graph
• Conditions for the parameters of the block graph of quasi-symmetric designs
• Geometric and pseudo-geometric graphs \((q^ 2 + 1,q + 1,1)\)
• Strongly regular graphs, partial geometries and partially balanced designs
• Quasi-symmetric balanced incomplete block designs
• Strongly Regular Graphs Derived from Combinatorial Designs
• Non-Existence of Some Unsymmetrical Partially Balanced Incomplete Block Designs
• Classification and Analysis of Partially Balanced Incomplete Block Designs with Two Associate Classes

This page was built for publication: Non-derivable strongly regular graphs from quasi-symmetric designs