Non-symmetric, metric, cometric association schemes are self-dual

DOI10.1016/0095-8956(91)90039-MzbMath0754.05076OpenAlexW2024517524MaRDI QIDQ1174779

Douglas A. Leonard

Publication date: 25 June 1992

Published in: Journal of Combinatorial Theory. Series B (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0095-8956(91)90039-m

zbMATH Keywords

cometric association schemesmetric association schemesnon-symmetric association schemes

Mathematics Subject Classification ID

Association schemes, strongly regular graphs (05E30)

Related Items

On nonsymmetric \(P\)- and \(Q\)-polynomial association schemes, The subconstituent algebra of an association scheme. I, Metric coset schemes revisited

Cites Work

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• Directed distance regular graphs with the Q-polynomial property
• Parameters of association schemes that are both P- and Q-polynomial
• Certain distance-regular digraphs and related rings of characteristic 4
• Distance-transitive and distance-regular digraphs
• Orthogonal Polynomials, Duality and Association Schemes