Existence and uniqueness of the conformally covariant geodesic metric on simple conformal loop ensemble carpets
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| Format: | Preprint |
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2025
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| _version_ | 1866912720751689728 |
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| author | Miller, Jason Tian, Yi |
| author_facet | Miller, Jason Tian, Yi |
| contents | We prove that for each $κ\in (8/3, 4)$ there exists a geodesic metric on the carpet of a CLE$_κ$ which is canonical in the sense that it is characterized by a certain list of axioms. Our metric can be constructed explicitly as the scaling limit of Minkowski first passage percolation (MFPP), i.e., the metric obtained by taking the infimum of the Lebesgue measure of the $\varepsilon$-neighborhood of all paths connecting each pair of points. Earlier work by the first co-author showed that MFPP admits nontrivial subsequential limits. The present paper shows that this subsequential limit is unique and is characterized by our list of axioms. We conjecture that our metric describes the scaling limit of the chemical distance metric for discrete loop models that converge to CLE$_κ$ for $κ\in (8/3, 4)$ in the scaling limit, e.g., the critical Ising model for $κ=3$. Our argument is inspired by recent works of Gwynne and Miller and Ding and Gwynne on the uniqueness of Liouville quantum gravity metrics. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2511_16208 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Existence and uniqueness of the conformally covariant geodesic metric on simple conformal loop ensemble carpets Miller, Jason Tian, Yi Probability Mathematical Physics Complex Variables We prove that for each $κ\in (8/3, 4)$ there exists a geodesic metric on the carpet of a CLE$_κ$ which is canonical in the sense that it is characterized by a certain list of axioms. Our metric can be constructed explicitly as the scaling limit of Minkowski first passage percolation (MFPP), i.e., the metric obtained by taking the infimum of the Lebesgue measure of the $\varepsilon$-neighborhood of all paths connecting each pair of points. Earlier work by the first co-author showed that MFPP admits nontrivial subsequential limits. The present paper shows that this subsequential limit is unique and is characterized by our list of axioms. We conjecture that our metric describes the scaling limit of the chemical distance metric for discrete loop models that converge to CLE$_κ$ for $κ\in (8/3, 4)$ in the scaling limit, e.g., the critical Ising model for $κ=3$. Our argument is inspired by recent works of Gwynne and Miller and Ding and Gwynne on the uniqueness of Liouville quantum gravity metrics. |
| title | Existence and uniqueness of the conformally covariant geodesic metric on simple conformal loop ensemble carpets |
| topic | Probability Mathematical Physics Complex Variables |
| url | https://arxiv.org/abs/2511.16208 |