A Geometric Interpretation of Categories of Type ˜ A and of Morphisms in the Infinite Radical

A Geometric Interpretation of Categories of Type ˜ A and of Morphisms in the Infinite Radical
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类型 ~ A 范畴和无限根态射的几何解释

DOI:
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发表时间:
2019
期刊:
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影响因子:
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通讯作者:
Hermund André Torkildsen
Hermund André Torkildsen
中科院分区:
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文献类型:
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作者:
K. Baur;Hermund André Torkildsen

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本文给出了一个λ A型遗传代数的模范畴的几何实现。我们用定向弧定义一个平移模,它同构于类型为A的模范畴的Auslander-Reiten模。为了得到模块类别的描述,我们在弧之间引入长移动。这使我们能够在几何描述中包括无限根。最后,我们的结果也可以用来描述相应的集群类别,而采取无方向的弧。
We give a geometric realization of the module category of a hereditary algebra of type ˜ A . We work with oriented arcs to define a translation quiver isomorphic to the Auslander-Reiten quiver of the module category of type ˜ A . To get a description of the module category, we introduce long moves between arcs. These allow us to include the infinite radical in the geometric description. Finally, our results can also be used to describe the corresponding cluster categories by taking unoriented arcs instead.
DOI: 10.1016/j.jalgebra.2012.04.009
发表时间: 2010-11
期刊: Journal of Algebra
影响因子: 0.9
作者:
K. Baur;Robert J. Marsh
通讯作者: K. Baur;Robert J. Marsh