Krein Parameters of Fiber-Commutative Coherent Configurations
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DOI: 10.1142/s1005386720000024
Abstract: For fiber-commutative coherent configurations, we show that Krein parameters can be defined essentially uniquely. As a consequence, the general Krein condition reduces to positive semidefiniteness of finitely many matrices determined by the parameters of a… read more here.
Keywords: coherent configurations; fiber commutative; commutative coherent; krein parameters ... See more keywords