On the primitive idempotents of distance-regular graphs

DOI10.1016/S0012-365X(01)00200-XzbMath0993.05148OpenAlexW2013974867MaRDI QIDQ5948987

Masato Tomiyama

Publication date: 12 November 2001

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

Full work available at URL: https://doi.org/10.1016/s0012-365x(01)00200-x

zbMATH Keywords

eigenvaluedistance-regular graphprimitive idempotents\(Q\)-polynomialcosines

Mathematics Subject Classification ID

Association schemes, strongly regular graphs (05E30) Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Distance in graphs (05C12)

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