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arXiv 2211.09211math.RTmath.AG
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$A\mathcal{V}$ -模的零化子与微分算子

Annihilators of $A\mathcal{V}$-modules and differential operators

Emile Bouaziz, Henrique Rocha

摘要:

对于光滑代数簇$X$,研究了$X$的函数环上具有多项式向量场的李代数$\mathcal{V}$在$X$上的相容作用的模范畴.我们表明,相关的表示$\mathcal{V}$给出了一个微分算子的顺序取决于秩的模块。微分算子的阶提供了表示复杂性的自然度量,最简单的情况是$D$ -模。

英文摘要:

For a smooth algebraic variety $X$, we study the category of finitely generated modules over the ring of function of $X$ that has a compatible action of the Lie algebra $\mathcal{V}$ of polynomials vector fields on $X$. We show that the associated representation of $\mathcal{V}$ is given by a differential operator of order depending on the rank of the module. The order of the differential operator provides a natural measure of the complexity of the representation, with the simplest case being that of $D$-modules.

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