A Diagram for Bianchi A-Types
E. L. Schucking, E. J. Surowitz, J. Zhao
Abstract
A diagram for Bianchi spaces with vanishing vector of structure constants (type A in the Ellis-MacCallum classification) illustrates the relations among their different types under similarity transformations. The Ricci coefficients and the Ricci tensor are related by a Cremona transformation.
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