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Conformal invariance of the planar four-state Potts model and its random-cluster representation

Emile Averous, Hugo Duminil-Copin, Tiancheng He, Piet Lammers, Ioan Manolescu

math-pharXiv:2610.08507

Abstract

For the critical random-cluster model on Z2 with cluster-weight q=4, we prove the convergence of loops to CLE(4) in the scaling limit. Conformal invariance of the four-state Potts model is then deduced via the Edwards-Sokal coupling.

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