Tight distance-regular graphs and the subconstituent algebra

We consider a distance-regular graph Γ with diameter D ≥ 3, intersection numbers ai, bi, ciand eigenvalues k = θ0 > θ1 > ⋯ > θD. Let X denote the vertex set of Γ and fix x ∈ X. Let T = T(x) denote the subalgebra of Mat X(C) generated by A, E0 * , E1 * ,⋯ , ED * , where A denotes the adjace...

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Bibliographic Details
Main Authors: Go, Junie T., Terwilliger, Paul
Format: text
Published: Animo Repository 2002
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Online Access:https://animorepository.dlsu.edu.ph/faculty_research/6513
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Institution: De La Salle University

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