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arxiv: 1608.08343 · v2 · pith:CCY52V42new · submitted 2016-08-30 · 🧮 math.CO

Association schemes all of whose symmetric fusion schemes are integral

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keywords schemesassociationfusionintegralsymmetricwhoseactioncharacterize
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In this paper we aim to characterize association schemes all of whose symmetric fusion schemes have only integral eigenvalues, and classify those obtained from a regular action of a finite group by taking its orbitals.

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