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Decomposition of Jacobians by Prym Varieties

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Decomposition of Jacobians by Prym Varieties - Lange, Herbert, and Rodríguez, Rubí E.
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This monograph studies decompositions of the Jacobian of a smooth projective curve, induced by the action of a finite group, into a product of abelian subvarieties. The authors give a general theorem on how to decompose the Jacobian which works in many cases and apply it for several groups, as for groups of small order and some series of groups. In many cases, these components are given by Prym varieties of pairs of subcovers. As a consequence, new proofs are obtained for the classical bigonal and trigonal constructions ...

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Decomposition of Jacobians by Prym Varieties 2022, Springer International Publishing AG, Cham

ISBN-13: 9783031101441

Paperback