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Three-class association schemes

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Author Info
Dam, E.R. van (Tilburg University, Faculty of Economics and Business Administration)

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Abstract

We study (symmetric) three-class association schemes. The graphs with four distinct eigenvalues which are one of the relations of such a scheme are characterized. We give an overview of most known constructions, and obtain necessary conditions for existence. A list of feasible parameter sets on at most 100 vertices is generated.

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Publisher Info
Paper provided by Tilburg University, Faculty of Economics and Business Administration in its series Research Memorandum with number 744.

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Date of creation: 1997
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Handle: RePEc:dgr:kubrem:1997744

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Web page: http://cwis.uvt.nl/~few/few2/

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Related research
Keywords: association schemes;

References listed on IDEAS
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  1. Dam, E.R. van & Spence, E., 1996. "Small regular graphs with four eigenvalues," Research Memorandum 723, Tilburg University, Faculty of Economics and Business Administration. [Downloadable!]
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This page was last updated on 2009-12-6.

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