Lower bounds on non-random fluctuations in planar first passage percolation
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866912696016830464 |
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| author | Hassler, Malte |
| author_facet | Hassler, Malte |
| contents | The fluctuations of the passage time in first passage percolation are of great interest. We show that the non-random fluctuations in planar FPP are at least of order $\log(n)^α$ for any $α<1/2$ under some conditions that are known to be met for a large class of absolutely continuous edge weight distributions. This improves the ${\log(\log(n))}$ bound proven by Nakajima and is the first result showing divergence of the fluctuations for arbitrary directions.
Our proof is an application of recent work by Dembin, Elboim and Peled on the BKS midpoint problem and the development of Mermin-Wagner type estimates. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_06166 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Lower bounds on non-random fluctuations in planar first passage percolation Hassler, Malte Probability 60K35 The fluctuations of the passage time in first passage percolation are of great interest. We show that the non-random fluctuations in planar FPP are at least of order $\log(n)^α$ for any $α<1/2$ under some conditions that are known to be met for a large class of absolutely continuous edge weight distributions. This improves the ${\log(\log(n))}$ bound proven by Nakajima and is the first result showing divergence of the fluctuations for arbitrary directions. Our proof is an application of recent work by Dembin, Elboim and Peled on the BKS midpoint problem and the development of Mermin-Wagner type estimates. |
| title | Lower bounds on non-random fluctuations in planar first passage percolation |
| topic | Probability 60K35 |
| url | https://arxiv.org/abs/2511.06166 |