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arXiv 0712.3274math.RT
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Tame双模的正则表示的参数曲线

Parameter curves for the regular representations of tame bimodules

Dirk Kussin

摘要:

我们目前的结果和例子表明,考虑一定的管状突变是有利的非交换曲线参数化的简单正则表示的驯服双模的研究。我们对所有驯服双模进行分类,其中这样的曲线实际上是交换的,或者换句话说,其中唯一的一般模具有交换自同态环。这将[14]的结果扩展到任意特征;在特征中出现两个另外不可分的情况。进一步的结果涉及固定所有对象但不同构于单位函子的自等价。

英文摘要:

We present results and examples which show that the consideration of a certain tubular mutation is advantageous in the study of noncommutative curves which parametrize the simple regular representations of a tame bimodule. We classify all tame bimodules where such a curve is actually commutative, or in different words, where the unique generic module has a commutative endomorphism ring. This extends results from [14] to arbitrary characteristic; in characteristic two additionally inseparable cases occur. Further results are concerned with autoequivalences fixing all objects but not isomorphic to the identity functor.

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