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Stability of tautological bundles on symmetric products of curves
Mathematical Research Letters ( IF 1 ) Pub Date : 2020-11-01 , DOI: 10.4310/mrl.2020.v27.n6.a9
Andreas Krug 1
Affiliation  

We prove that, if $C$ is a smooth projective curve over the complex numbers, and $E$ is a stable vector bundle on $C$ whose slope does not lie in the interval $[-1, n-1]$, then the associated tautological bundle $E^{[n]}$ on the symmetric product $C^{(n)}$ is again stable. Also, if $E$ is semi-stable and its slope does not lie in $[-1, n-1]$, then $E^{[n]}$ is semi-stable.

中文翻译:

同构曲线上重言族束的稳定性

我们证明,如果$ C $是复数上的平滑投影曲线,并且$ E $是$ C $上的稳定矢量束,其斜率不位于区间[[-1,n-1] $,那么对称乘积$ C ^ {(n)} $上的相关重言式束$ E ^ {[n]} $再次稳定。另外,如果$ E $是半稳定的并且其斜率不位于$ [-1,n-1] $,则$ E ^ {[n]} $是半稳定的。
更新日期:2020-11-01
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