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Maximal gonality on strata of differentials and uniruledness of strata in low genus
Bulletin of the London Mathematical Society ( IF 0.8 ) Pub Date : 2021-06-22 , DOI: 10.1112/blms.12515 Andrei Bud 1
Bulletin of the London Mathematical Society ( IF 0.8 ) Pub Date : 2021-06-22 , DOI: 10.1112/blms.12515 Andrei Bud 1
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We prove that for a generic element in a nonhyperelliptic component of an abelian stratum in genus , the underlying curve has maximal gonality. We extend this result to the case of quadratic strata when the partition has positive entries. As a consequence we deduce that all nonhyperelliptic components of are uniruled when is a positive partition of 16 and all nonhyperelliptic components of are uniruled when is a positive partition of and either or and .
中文翻译:
低属差异地层的最大角度和地层不规则度
我们证明了对于阿贝尔层的非超椭圆分量中的通用元素属,基础曲线具有最大的边角性。我们将此结果扩展到二次层的情况,当分区有正面条目。因此,我们推断所有非超椭圆分量不规则时是 16 和所有非超椭圆分量的正分区不规则时是一个正分区并且要么或者和.
更新日期:2021-06-22
中文翻译:
低属差异地层的最大角度和地层不规则度
我们证明了对于阿贝尔层的非超椭圆分量中的通用元素属,基础曲线具有最大的边角性。我们将此结果扩展到二次层的情况,当分区有正面条目。因此,我们推断所有非超椭圆分量不规则时是 16 和所有非超椭圆分量的正分区不规则时是一个正分区并且要么或者和.