论文标题

扭曲的交换代数的光谱

The spectrum of a twisted commutative algebra

论文作者

Snowden, Andrew

论文摘要

扭曲的交换代数(对我们来说)是一个可交换的$ \ mathbf {q} $ - 配备了无限通用线性组的代数。在这样的代数中,“ $ \ mathbf {gl} $ - prime”理想承担了普通换向代数中的主要理想所履行的职责,因此了解它们至关重要。不幸的是,不同的$ \ mathbf {gl} $ - 素数可以具有相同的激进分子,这阻碍了一个几何研究。我们表明,可以通过使用超级向量空间来消除此问题:这样做提供了足够的几何形状来区分$ \ Mathbf {gl} $ - Primes。这产生了一种分析$ \ mathbf {gl} $ - 素数的有效方法。

A twisted commutative algebra is (for us) a commutative $\mathbf{Q}$-algebra equipped with an action of the infinite general linear group. In such algebras the "$\mathbf{GL}$-prime" ideals assume the duties fulfilled by prime ideals in ordinary commutative algebra, and so it is crucial to understand them. Unfortunately, distinct $\mathbf{GL}$-primes can have the same radical, which obstructs one from studying them geometrically. We show that this problem can be eliminated by working with super vector spaces: doing so provides enough geometry to distinguish $\mathbf{GL}$-primes. This yields an effective method for analyzing $\mathbf{GL}$-primes.

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