- Conference date: 19–25 September 2011
- Location: Halkidiki, (Greece)
Let G be a (n,k,a,c)‐strongly regular graph with adjacency matrix A with three distinct eigenvalues. We associate to A a three dimensional Euclidean Jordan algebra V, spanned by and the natural powers of A. Then, we establish new inequalities on the parameters of G by considering convergent series of Hadamard powers of the idempotents of the unique complete system of orthogonal idempotents of V associated to A.
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