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A Torelli type theorem for nodal curves
International Journal of Mathematics ( IF 0.6 ) Pub Date : 2021-04-23 , DOI: 10.1142/s0129167x21500415 Suratno Basu 1, 2 , Sourav Das 3, 4
International Journal of Mathematics ( IF 0.6 ) Pub Date : 2021-04-23 , DOI: 10.1142/s0129167x21500415 Suratno Basu 1, 2 , Sourav Das 3, 4
Affiliation
The moduli space of Gieseker vector bundles is a compactification of moduli of vector bundles on a nodal curve. This moduli space has only normal-crossing singularities and it provides flat degeneration of the moduli of vector bundles over a smooth projective curve. We prove a Torelli type theorem for a nodal curve using the moduli space of stable Gieseker vector bundles of fixed rank (strictly greater than 1 ) and fixed degree such that rank and degree are co-prime.
中文翻译:
节点曲线的 Torelli 型定理
Gieseker 矢量丛的模空间是节点曲线上矢量丛的模的紧化。这个模空间只有法线交叉奇点,它提供了向量束模在平滑投影曲线上的平坦退化。我们使用固定秩(严格大于1 ) 和固定度数,使得等级和度数互质。
更新日期:2021-04-23
中文翻译:
节点曲线的 Torelli 型定理
Gieseker 矢量丛的模空间是节点曲线上矢量丛的模的紧化。这个模空间只有法线交叉奇点,它提供了向量束模在平滑投影曲线上的平坦退化。我们使用固定秩(严格大于