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The distance-regular graphs with intersection number \(a_1\neq 0\) and with an eigenvalue \(-1-(b_1/2)\)

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Publication:1280306
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DOI10.1007/PL00009818zbMath0910.05041OpenAlexW2579546455MaRDI QIDQ1280306

Jack H. Koolen

Publication date: 14 March 1999

Published in: Combinatorica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/pl00009818


zbMATH Keywords

distance-regular graphseigenvaluesintersection number


Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Structural characterization of families of graphs (05C75)


Related Items (5)

On bounding the diameter of a distance-regular graph ⋮ Delsarte clique graphs ⋮ Distance-regular graphs with an eigenvalue \(-k < \theta \leq 2-k\) ⋮ The distance-regular graphs such that all of its second largest local eigenvalues are at most one ⋮ The 2-partially distance-regular graphs such that their second largest local eigenvalues are at most one







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