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Genus 2 curves and generalized theta divisors
Bulletin des Sciences Mathématiques ( IF 1.3 ) Pub Date : 2019-05-18 , DOI: 10.1016/j.bulsci.2019.05.002 Sonia Brivio , Filippo F. Favale
中文翻译:
属2曲线和广义theta除数
更新日期:2019-05-18
Bulletin des Sciences Mathématiques ( IF 1.3 ) Pub Date : 2019-05-18 , DOI: 10.1016/j.bulsci.2019.05.002 Sonia Brivio , Filippo F. Favale
In this paper we investigate generalized theta divisors in the moduli spaces of semistable vector bundles on a curve C of genus 2. We provide a desingularization Φ of in terms of a projective bundle which parametrizes extensions of stable vector bundles on the base by . Then, we study the composition of Φ with the well known theta map θ. We prove that, when it is restricted to the general fiber of π, we obtain a linear embedding.
中文翻译:
属2曲线和广义theta除数
在本文中,我们研究了广义θ除数 在模空间 属2的曲线C上的半稳定向量束。 就射束而言 它通过以下方式对稳定向量束的扩展进行参数化 。然后,我们用众所周知的θ图θ研究Φ的组成。我们证明,当将它限制在π的普通光纤上时,我们可以获得线性嵌入。