Algebraic groups over a 2-dimensional local field: Some further constructions

Algebraic groups over a 2-dimensional local field: Some further constructions
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二维局部域上的代数群:一些进一步的构造

DOI:
10.1007/0-8176-4478-4_7
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发表时间:
2004
期刊:
arXiv: Representation Theory
影响因子:
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通讯作者:
D. Kazhdan
D. Kazhdan
中科院分区:
--
文献类型:
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作者:
D. Gaitsgory;D. Kazhdan

文献摘要

被引文献

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在tikya[GK],我们开发了一个框架来研究表示的群体的形式G((t)),其中G是一个代数群在一个本地域K。这一理论的主要特点是这类群的自然表示不是在向量空间上,而是在原向量空间上,本文给出了与这一理论相关的一些进一步的构造。主要成果包括:1)协变函子可表示性的一般定理; 2)半不变函子的研究,它是无限维李代数的半无限上同调函子的一种模拟; 3)K上代数曲线上G-丛的模空间的表示的构造。
In tikya[GK] we developed a framework to study representations of groups of the formG((t)), whereGis an algebraic group over a local fieldK. The main feature of this theory is that natural representations of groups of this kind are not on vector spaces, but rather on pro-vector spaces.In this paper we present some further constructions related to this theory. The main results include: 1) General theorems insuring representability of covariant functors, 2) Study of the functor of semi-invariants, which is an analog of the functor of semi-infinite cohomology for infinite-dimensional Lie algebras, 3) Construction of representations from the moduli space ofG-bundles on algebraic curve overK.