The bijection between cluster-tilting objects and d-angulations
The bijection between cluster-tilting objects and d-angulations
Let be a -angulation of a marked surface, let be its associated quiver with superpotential, and let be the associated -dimensional Ginzburg algebra. Define the generalized higher cluster category
and let be the projection functor. Let be the set of all -cluster tilting objects obtained by finite mutations of , and let be the set of all -angulations obtained by finite flips of . Bijection conjecture. There is a bijection between and which sends to . This would identify finite mutations of the cluster-tilting object with finite flips of the associated -angulation, extending the geometric model from the initial objects to their mutation and flip classes.
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Primary source
Bo Le and Bin Zhu, “The quiver with superpotentials of a d-angulation of a marked surface”, arXiv:2501.00435 (2025).
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