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arXiv 1209.5686math.AG
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全局矩阵分解的陈Character

Chern Character for Global Matrix Factorizations

David Platt

摘要:

本文给出了具有超势$w\in Γ(\mathcal{O}_X)$的光滑概形$X$的整体矩阵分解的DG-范畴上的Chern特征标的一个公式。我们的公式在Cech模型中取霍赫希尔德同调的值。我们的方法也可以适用于得到一个显式的公式,为$X$上的层的完美复形的Chern字符采取的右导出的整体瓣的De-Rham代数。一路上,我们证明了DG版本的陈特征与经典的完美复形相吻合。

英文摘要:

We give a formula for the Chern character on the DG-category of global matrix factorizations on a smooth scheme $X$ with superpotential $w\in Γ(\mathcal{O}_X)$. Our formula takes values in a Cech model for Hochschild homology. Our methods may also be adapted to get an explicit formula for the Chern character for perfect complexes of sheaves on $X$ taking values in right derived global sections of the De-Rham algebra. Along the way we prove that the DG version of the Chern character coincides with the classical one for perfect complexes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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