Abstract
For an arbitrary solution to the Volterra lattice hierarchy, the logarithmic derivatives of the tau-function of the solution can be computed by the matrix-resolvent method. In this paper, we define a pair of wave functions of the solution and use them to give an expression of the matrix resolvent; based on this we obtain a new formula for the k-point functions for the Volterra lattice hierarchy in terms of wave functions. As an application, we give an explicit formula of k-point functions for the even GUE (Gaussian Unitary Ensemble) correlators.
Similar content being viewed by others
References
Adler M, van Moerbeke P. Matrix integrals, Toda symmetries, Virasoro constraints, and orthogonal polynomials. Duke Math J, 1995, 80: 863–911
Bertola M, Dubrovin B, Yang D. Correlation functions of the KdV hierarchy and applications to intersection numbers over \(\cal{M}_{g,n}\). Physica D, 2016, 327: 30–57
Bertola M, Dubrovin B, Yang D. Simple Lie algebras and topological ODEs. Int Math Res Not, 2018, 2018: 1368–1410
Bertola M, Dubrovin B, Yang D. Simple Lie algebras, Drinfeld–Sokolov hierarchies, and multi-point correlation functions. Mosc Math J, 2021, 21: 233–270
Bessis D, Itzykson C, Zuber J B. Quantum field theory techniques in graphical enumeration. Adv Appl Math, 1980, 1: 109–157
Brézin E, Itzykson C, Parisi P, Zuber J B. Planar diagrams. Comm Math Phys, 1978, 59: 35–51
Cafasso M, Yang D. Tau-functions for the Ablowitz–Ladik hierarchy: the matrix-resolvent method. J Phys A: Math Theor, 2022, 55: 204001
Carlet G. The extended bigraded Toda hierarchy. J Phys A: Math Gen, 2006, 39: 9411–9435
Carlet G, Dubrovin B, Zhang Y. The extended Toda hierarchy. Mosc Math J, 2004, 4: 313–332
Deift P A. Orthogonal Polynomials and Random Matrices: A Riemann-Hilbert Approach. Providence: American Mathematical Society, 1999
Dubrovin B. Algebraic spectral curves over Q and their tau-functions//Donagi R, Shaska T. Integrable Systems and Algebraic Geometry. Cambridge: Cambridge University Press, 2020: 41–91
Dubrovin B. Hamiltonian perturbations of hyperbolic PDEs: from classification results to the properties of solutions//Sidoravicius V. New Trends in Mathematical Physics. Dordrecht: Springer, 2009: 231–276
Dubrovin B, Liu S Q, Yang D, Zhang Y. Hodge integrals and tau-symmetric integrable hierarchies of Hamiltonian evolutionary PDEs. Adv Math, 2016, 293: 382–435
Dubrovin B, Liu S Q, Yang D, Zhang Y. Hodge-GUE correspondence and the discrete KdV equation. Comm Math Phys, 2020, 379: 461–490
Dubrovin B, Valeri D, Yang D. Affine Kac-Moody algebras and tau-functions for the Drinfeld-Sokolov hierarchies: the matrix-resolvent method. Symmetry Integrability Geom Methods Appl, 2022, 18: 077
Dubrovin B, Yang D. Generating series for GUE correlators. Lett Math Phys, 2017, 107: 1971–2012
Dubrovin B, Yang D. On cubic Hodge integrals and random matrices. Commun Number Theory Phys, 2017, 11: 311–336
Dubrovin B, Yang D. Matrix resolvent and the discrete KdV hierarchy. Comm Math Phys, 2020, 377: 1823–1852
Dubrovin B, Yang D, Zagier D. Gromov-Witten invariants of the Riemann sphere. Pure Appl Math Q, 2020, 16: 153–190
Dubrovin B, Yang D, Zagier D. On tau-functions for the KdV hierarchy. Sel Math, 2021, 27: Art 12
Dubrovin B, Zhang Y. Normal forms of hierarchies of integrable PDEs, Frobenius manifolds and Gromov-Witten invariants. arXiv:math/0108160
Fu A, Yang D. The matrix-resolvent method to tau-functions for the nonlinear Schrödinger hierarchy. J Geom Phys, 2022, 179: 104592
Gerasimov A, Marshakov A, Mironov A, et al. Matrix models of two dimensional gravity and Toda theory. Nuclear Physics B, 1991, 357: 565–618
Guo J, Yang D. On the large genus asymptotics of psi-class intersection numbers. Math Ann, 2022. DOI: https://doi.org/10.1007/s00208-022-02505-6
Harer J, Zagier D. The Euler characteristic of the moduli space of curves. Invent Math, 1986, 85: 457–485
’t Hooft G. A planar diagram theory for strong interactions. Nucl Phys B, 1974, 72: 461–473
’t Hooft G. A two-dimensional model for mesons. Nucl Phys B, 1974, 75: 461–470
Kazakov V, Kostov I, Nekrasov N. D-particles, matrix integrals and KP hierarchy. Nucl Phys B, 1999, 557: 413–442
Mehta M L. Random Matrices. New York: Academic Press, 1991
Morozov A, Shakirov S. Exact 2-point function in Hermitian matrix model. Journal of High Energy Physics, 2009, 12: Art 003
Witten E. Two dimensional gravity and intersection theory on Moduli space. Surveys Diff Geom, 1991, 1: 243–310
Yang D. On tau-functions for the Toda lattice hierarchy. Lett Math Phys, 2020, 110: 555–583
Zhou J. Hermitian one-matrix model and KP hierarchy. arXiv:1809.07951
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Conflict of Interest The authors declare no conflict of interest.
Additional information
The work was partially supported by the National Key R and D Program of China (2020YFA0713100).
Rights and permissions
About this article
Cite this article
Fu, A., Li, M. & Yang, D. From wave functions to tau-functions for the Volterra lattice hierarchy. Acta Math Sci 44, 405–419 (2024). https://doi.org/10.1007/s10473-024-0201-4
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10473-024-0201-4