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- W4312193743 abstract "So far, Seshadri constants on abelian surfaces are completely understood only in the cases of Picard number one and on principally polarized abelian surfaces with real multiplication. Beyond that, there are partial results for products of elliptic curves. In this paper, we show how to compute the Seshadri constant of any nef line bundle on any abelian surface over the complex numbers. We develop an effective algorithm depending only on the basis of the Néron-Severi group to compute not only the Seshadri constants but also the numerical data of their Seshadri curves. Access to the Seshadri curves allows us to plot Seshadri functions and better understand their structure. We show that already in the case of Picard number two the complexity of Seshadri functions can vary to a great degree. Our results indicate that aside from finitely many cases the complexity of the Seshadri function is at least as high as in the Cantor function." @default.
- W4312193743 created "2023-01-04" @default.
- W4312193743 creator A5009741521 @default.
- W4312193743 date "2023-01-01" @default.
- W4312193743 modified "2023-09-29" @default.
- W4312193743 title "Seshadri functions on abelian surfaces" @default.
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- W4312193743 doi "https://doi.org/10.1016/j.aim.2022.108827" @default.
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