Decomposition of Jacobians by Prym Varieties(Lecture Notes in Mathematics)

用普里姆变换分解雅可比矩阵

代数几何学

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出  版 社
出版时间
2022年09月06日
装      帧
平装
ISBN
9783031101441
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页      码
216
语      种
英文
版      次
1
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图书简介
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 which have the advantage to generalize to more general situations. Several isogenies between Prym varieties also result.
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