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首页> 外文期刊>Journal of the Mathematical Society of Japan >Classifying τ-tilting modules over the Auslander algebra of K[x](x~n)
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Classifying τ-tilting modules over the Auslander algebra of K[x](x~n)

机译:在k [x]的空心子代数上分类τ倾斜模块(x〜n)

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We build a bijection between the set sr-tilt A of isomorphism classes of basic support r-tilting modules over the Auslander algebra A of K[x]/(x~n) and the symmetric group (δ)_(n+1), which is an anti-isomorphism of partially ordered sets with respect to the generation order on sτ-tilt A and the left order on (δ)_(n+1). This restricts to the bijection between the set tilt A of isomorphism classes of basic tilting A-modules and the symmetric group (δ)_n due to Bruestle, Hille, Ringel and Roehrle. Regarding the preprojective algebra Γ of Dynkin type A_n as a factor algebra of A, we show that the tensor functor — ⊕A r induces a bijection between sτ-tilt A → sτ-tilt P. This recover Mizuno's anti-isomorphism S→ sr-tilt Γ of posets for type A_n.
机译:在K [x] /(x〜n)和对称组(δ)_(n + 1)中,在基本支持r倾斜模块的同构倾斜模块的集合sr-tiltting模块的同构倾斜A之间构建了一个双重反射。(n + 1) ,这是关于Sτ倾斜A和左右上的发电顺序的部分有序组的抗组态性,并且在(Δ)_(n + 1)上。这限制了由于Bruestle,Hille,Ringel和Roehrle的基本倾斜A模块和对称组(δ)_n的同构倾斜A之间的基本倾斜A之间的击倒。关于Dynkin型A_N作为A的因子代数的预注射代数γ,我们表明张量函数 - ⊕Ar诱导Sτ倾斜→Sτ-Tilt P.这回收Mizuno的抗同构→SR- A_N型POSET的倾斜γ。

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