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A decomposition of the Jacobian of a Humbert-Edge curve
A \textit{Humbert-Edge curve of type} is a non-degenerate smooth complete
intersection of diagonal quadrics. Such a curve has an interesting
geometry since it has a natural action of the group
. We present here a decomposition of its Jacobian
variety as a product of Prym-Tyurin varieties, and we compute the kernel of the
corresponding isogeny.Comment: 9 pages, comments welcome! To appear in Contemporary Mathematic
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