A universal formula for the $x-y$ swap in topological recursion

We prove a recent conjecture of Borot et al. that a particular universal closed algebraic formula recovers the correlation differentials of topological recursion after the swap of x and y in the input data. We also show that this universal formula can be drastically simplified (as it was already done by Hock). As an application of this general x-y swap result, we prove an explicit closed formula for the topological recursion differentials for the case of any spectral curve with unramified y and arbitrary rational x .

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Publication Details

Journal
Journal of the European Mathematical Society
Published
2025-04-14
DOI
https://doi.org/10.4171/jems/1615
Citations
6
Primary Topic
Mathematical Dynamics and Fractals
Type
article
Field-Weighted Citation Impact
22.15
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A universal formula for the $x-y$ swap in topological recursion

Petr Dunin‐Barkowski, Boris Sergeevich Bychkov, A. Alexandrov, Maxim Eduardovich Kazarian et al.
6 citations
Journal of the European Mathematical Society
Mathematical Dynamics and Fractals
22.15
article

A universal formula for the $x-y$ swap in topological recursion

Petr Dunin‐Barkowski, Boris Sergeevich Bychkov, A. Alexandrov, Maxim Eduardovich Kazarian, Sergey Viktorovich Shadrin
article en
6 citations

Abstract

We prove a recent conjecture of Borot et al. that a particular universal closed algebraic formula recovers the correlation differentials of topological recursion after the swap of x and y in the input data. We also show that this universal formula can be drastically simplified (as it was already done by Hock). As an application of this general x-y swap result, we prove an explicit closed formula for the topological recursion differentials for the case of any spectral curve with unramified y and arbitrary rational x .

Journal of the European Mathematical Society
National Research University Higher School of Economics (RU), Skolkovo Institute of Science and Technology (RU), Institute for Basic Science (KR), Institute for Theoretical and Experimental Physics (RU), Amsterdam University of the Arts (NL), University of Amsterdam (NL), University of Haifa (IL)
Openalex Percentile: Top 0%
Mathematical Dynamics and Fractals
22.15
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