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x−y swap for a (2, 2p+1) minimal string

Aleksandr Artemev*

  • *Contact author: artemev.aa@phystech.edu
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Phys. Rev. D 112, 046019 – Published 22 August, 2025

DOI: https://doi.org/10.1103/pd2y-j2x5

Abstract

We continue the study of 2D gravity—“matrix model” duality on the example of a (2,2p+1) minimal string. We propose a reformulation of the duality, related to a more conventional one by “x−y swap” in the language of topological recursion. This formulation elucidates some conceptual and technical difficulties in the dictionary of the duality and relation to other examples. In particular, it allows to circumvent the necessity to use “resonance transformations,” which were previously introduced to match the world sheet and “matrix model” correlators, and the expressions for minimal string amplitudes in this approach are reminiscent of the ones obtained recently for “complex Liouville string” theory. Using this new approach, we also formulate a conjecture on how one can compute amplitudes with operators other than tachyons in the dual theory.

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Phys. Rev. D 112, 046019– Published 22 August, 2025
  • Received 22 July 2025
  • Accepted 4 August 2025
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