Reineke's stable-weight-system conjecture for Dynkin quivers

Let QQ be a quiver of Dynkin type. A weight system Θ\Theta on QQ is understood in the sense of stability for representations of QQ, and a representation is stable with respect to Θ\Theta when it satisfies the corresponding stability condition. Reineke's conjecture. There exists a weight system Θ\Theta on QQ such that the stable representations are precisely the indecomposable ones. This conjecture has been proved for quivers of AnA_n-type, whereas computer-found counterexamples exist for quivers of DD- and EE-type; thus the original conjecture is refuted in general. It has applications to stratifications of representation varieties and identities involving quantum dilogarithm series.

Sources & referencesView supporting material

Primary source

Pengfei Huang and Zhi Hu, “Stability and Indecomposability of the Representations of Quivers of A_n-type”, arXiv:1905.11841 (2020).

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