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arXiv 1612.06910math.AG
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不变和反不变向量丛的Hitchin系

Hitchin systems for invariant and anti-invariant vector bundles

Hacen Zelaci

摘要:

给定一条光滑的带对合$σ$的射影复曲线$X$,研究了反不变量轨迹的Hitchin系统.不变的)稳定向量丛在$σ$下在$X$上。利用这些可积系统和幂零锥理论,我们研究了这些轨迹的不可约性。反不变轨迹可以被认为是Prym变种向更高等级的概括。

英文摘要:

Given a smooth projective complex curve $X$ with an involution $σ$, we study the Hitchin systems for the locus of anti-invariant (resp. invariant) stable vector bundles over $X$ under $σ$. Using these integrable systems and the theory of the nilpotent cone, we study the irreducibility of these loci. The anti-invariant locus can be thought of as a generalisation of Prym varieties to higher rank.

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