Linear-ordering conjecture for reflection representations of skew-symmetrizable matrices
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.
Sources & referencesView supporting material
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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