Deformations of algebras in noncommutative geometry

Deformations of algebras in noncommutative geometry
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非交换几何中代数的变形

DOI:
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发表时间:
2012
期刊:
arXiv: Rings and Algebras
影响因子:
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通讯作者:
T. Schedler
T. Schedler
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作者:
T. Schedler

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这些是作者2012年6月在MSRI的迷你课程的显著扩展的课堂讲稿,发表在MSRI课堂讲稿系列中,并有一些小的额外更正。在这些说明中,我们给出了一个例子的动机审查的变形理论的结合代数的Hochschild上链复杂以及量子化的泊松结构,和Kontsevich的形式定理在光滑设置。然后,我们讨论量子化和变形通过卡-丘代数和潜在的。讨论的例子包括Weyl代数、李代数的包络代数、辛反射代数、拟齐次孤立超曲面奇点(包括du瓦尔奇点)和Calabi-Yau代数。
These are significantly expanded lecture notes for the author's minicourse at MSRI in June 2012, as published in the MSRI lecture note series, with some minor additional corrections. In these notes, we give an example-motivated review of the deformation theory of associative algebras in terms of the Hochschild cochain complex as well as quantization of Poisson structures, and Kontsevich's formality theorem in the smooth setting. We then discuss quantization and deformation via Calabi-Yau algebras and potentials. Examples discussed include Weyl algebras, enveloping algebras of Lie algebras, symplectic reflection algebras, quasihomogeneous isolated hypersurface singularities (including du Val singularities), and Calabi-Yau algebras.
DOI: --
发表时间: 2005
期刊:
影响因子: --
作者:
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通讯作者: T. Oshima
DOI: --
发表时间: 2022
期刊:
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作者:
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