Linear-ordering conjecture for reflection representations of skew-symmetrizable matrices
Let be a skew-symmetrizable matrix indexed by . For a mutation sequence , let be the associated reflections, let be its -matrix, and let be the representation determined by a linear ordering and its associated generalized intersection matrix. Linear-ordering conjecture. For any skew-symmetrizable matrix , there exists a linear ordering on such that, if and are mutation sequences satisfying
then
In particular, . The conjecture asks whether one ordering makes the represented reflections depend only on the resulting -matrix; the paper investigates this problem in the setting of quiver mutations, while its general status is not resolved in the supplied text.
References
Primary source
Tucker J. Ervin, Blake Jackson, Kyu-Hwan Lee and Kyungyong Lee, “Mutations of reflections and existence of pseudo-acyclic orderings for type A_n”, arXiv:2108.03309 (2021).
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