Neural Networks, Dispersion Relations and the Thermal Bootstrap
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arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866911679788351488 |
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| author | Niarchos, Vasilis Papageorgakis, Constantinos |
| author_facet | Niarchos, Vasilis Papageorgakis, Constantinos |
| contents | We review a framework for the conformal bootstrap that does not rely on positivity and treats the infinite tower of high-dimension OPE contributions to conformal correlators through dispersion relations and neural networks. We apply it to scalar thermal two-point functions on $S^1\times \mathbb R^{d-1}$. We discuss the stability properties of the relevant non-convex optimisation scheme and potential relations to recent discussions of smoothness properties in CFT correlators. We illustrate the numerical application of the method to Generalized Free Fields and 4d holographic CFTs. This is a proceedings contribution to the ``Athens Workshop in Theoretical Physics: 10th Anniversary", held at the National and Kapodistrian University of Athens on December 17-19 2025. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_13183 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Neural Networks, Dispersion Relations and the Thermal Bootstrap Niarchos, Vasilis Papageorgakis, Constantinos High Energy Physics - Theory We review a framework for the conformal bootstrap that does not rely on positivity and treats the infinite tower of high-dimension OPE contributions to conformal correlators through dispersion relations and neural networks. We apply it to scalar thermal two-point functions on $S^1\times \mathbb R^{d-1}$. We discuss the stability properties of the relevant non-convex optimisation scheme and potential relations to recent discussions of smoothness properties in CFT correlators. We illustrate the numerical application of the method to Generalized Free Fields and 4d holographic CFTs. This is a proceedings contribution to the ``Athens Workshop in Theoretical Physics: 10th Anniversary", held at the National and Kapodistrian University of Athens on December 17-19 2025. |
| title | Neural Networks, Dispersion Relations and the Thermal Bootstrap |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2605.13183 |