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    Fundamental domains of cluster categories inside module categories

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    Let HH be a finite dimensional hereditary algebra over an algebraically closed field, and let CH\mathcal{C}_{H} be the corresponding cluster category. We give a description of the (standard) fundamental domain of CH\mathcal{C}_{H} in the bounded derived category Db(H)\mathcal{D}^{b}(H), and of the cluster-tilting objects, in terms of the category modΓ\mod\Gamma \ of finitely generated modules over a suitable tilted algebra % \Gamma . Furthermore, we apply this description to obtain (the quiver of) an arbitrary cluster-tilted algebra.Comment: 20 pages, 9 figure
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