Infinite differentiability of the free energy for a Derrida-Retaux system
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866914798392836096 |
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| author | Chen, Xinxing |
| author_facet | Chen, Xinxing |
| contents | We consider a recursive system which was introduced by Derrida and Retaux (J. Stat. Phys. ${\bf 156}$ (2014) 268-290) as a toy model to study the depinning transition in presence of disorder. Derrida and Retaux predicted the free energy $F_\infty(p)$ of the system exhibit quite an unusual physical phenomenon which is an infinite order phase transition. Hu and Shi (J. Stat. Phys. ${\bf 172}$ (2018) 718-741) studied a special situation and obtained other behavior of the free energy, while insisted on $p=p_c$ being an essential singularity. Recently, Chen, Dagard, Derrida, Hu, Lifshits and Shi (Ann. Probab. ${\bf 49}$ (2021) 637-670) confirmed the Derrida-Retaux conjecture under suitable integrability condition. However, in the mathematical review, it is still unknown whether the free energy is infinitely differentiable at the critical point. So that, we continue to study the infinite differentiability of the free energy in this paper. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_09741 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Infinite differentiability of the free energy for a Derrida-Retaux system Chen, Xinxing Probability 60G50, 82B20, 82B27 We consider a recursive system which was introduced by Derrida and Retaux (J. Stat. Phys. ${\bf 156}$ (2014) 268-290) as a toy model to study the depinning transition in presence of disorder. Derrida and Retaux predicted the free energy $F_\infty(p)$ of the system exhibit quite an unusual physical phenomenon which is an infinite order phase transition. Hu and Shi (J. Stat. Phys. ${\bf 172}$ (2018) 718-741) studied a special situation and obtained other behavior of the free energy, while insisted on $p=p_c$ being an essential singularity. Recently, Chen, Dagard, Derrida, Hu, Lifshits and Shi (Ann. Probab. ${\bf 49}$ (2021) 637-670) confirmed the Derrida-Retaux conjecture under suitable integrability condition. However, in the mathematical review, it is still unknown whether the free energy is infinitely differentiable at the critical point. So that, we continue to study the infinite differentiability of the free energy in this paper. |
| title | Infinite differentiability of the free energy for a Derrida-Retaux system |
| topic | Probability 60G50, 82B20, 82B27 |
| url | https://arxiv.org/abs/2405.09741 |