Cluster-category correspondence conjecture for hereditary algebras

Let HH be a finite-dimensional hereditary algebra with quiver ammaamma, let A(H)\operatorname{\mathcal A}(H) be the corresponding cluster algebra, and let C\operatorname{\mathcal C} be the cluster category associated to HH. Write indC\operatorname{ind}\operatorname{\mathcal C} for the indecomposable objects of C\operatorname{\mathcal C}.

Cluster-category correspondence conjecture. There is a one-to-one correspondence between the cluster variables of A(H)\operatorname{\mathcal A}(H) and indC\operatorname{ind}\operatorname{\mathcal C} inducing a one-to-one correspondence between the clusters of A(H)\operatorname{\mathcal A}(H) and the basic tilting objects in C\operatorname{\mathcal C}.

The conjecture is known when HH is the path algebra of a simply-laced Dynkin quiver; the general hereditary case is the proposed extension.

Sources & referencesView supporting material

Primary source

Aslak Bakke Buan, Bethany Marsh, Markus Reineke, Idun Reiten and Gordana Todorov, “Tilting theory and cluster combinatorics”, arXiv:math/0402054 (2004).

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