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JOURNALS // Teoreticheskaya i Matematicheskaya Fizika // Archive

TMF, 2019 Volume 201, Number 1, Pages 37–53 (Mi tmf9728)

This article is cited in 10 papers

Some exact solutions of the Volterra lattice

V. E. Adler, A. B. Shabat

Landau Institute for Theoretical Physics, Chernogolovka, Moscow Oblast, Russia

Abstract: We study solutions of the Volterra lattice satisfying the stationary equation for its nonautonomous symmetry. We show that the dynamics in $t$ and $n$ are governed by the respective continuous and discrete Painlevé equations and describe the class of initial data leading to regular solutions. For the lattice on the half-axis, we express these solutions in terms of the confluent hypergeometric function. We compute the Hankel transform of the coefficients of the corresponding Taylor series based on the Wronskian representation of the solution.

Keywords: Volterra lattice, symmetry, Painlevé equation, confluent hypergeometric function, Hankel transformation, Catalan number.

MSC: 37K10, 34M55, 33C15, 05A10

Received: 28.03.2019
Revised: 28.03.2019

DOI: 10.4213/tmf9728


 English version:
Theoretical and Mathematical Physics, 2019, 201:1, 1442–1456

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© Steklov Math. Inst. of RAS, 2026