Abstract:We construct cubic Jordan algebras over an integral proper scheme X such that 2 3 ∈ H 0 X X , generalizing a construction by B. N. Allison and J. R. Faulkner. In the process, we obtain admissible cubic algebras and pseudocomposition algebras over X. Results on the structure of these algebras are obtained, as well as examples over elliptic curves.
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