Explicit closed algebraic formulas for Orlov–Scherbin n-point functions
| Authors |
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|---|---|
| Publication date | 2022 |
| Journal | Journal de l'Ecole Polytechnique - Mathematiques |
| Volume | Issue number | 9 |
| Pages (from-to) | 1121-1158 |
| Organisations |
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| Abstract | We derive a new explicit formula in terms of sums over graphs for the n-point correlation functions of general formal weighted double Hurwitz numbers coming from the Kadomtsev–Petviashvili tau functions of hypergeometric type (also known as Orlov–Scherbin partition functions). Notably, we use the change of variables suggested by the associated spectral curve, and our formula turns out to be a polynomial expression in a certain small set of formal functions defined on the spectral curve. |
| Document type | Article |
| Language | English |
| Published at | https://doi.org/10.5802/jep.202 |
| Other links | https://www.scopus.com/pages/publications/85135869113 |
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Explicit closed algebraic formulas for Orlov–Scherbin n-point functions
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