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Related papers: Note on the Painlev\'e V tau-functions

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We present certain general structures related to the solutions of Painlev\'e equation II and to the solutions of the differential equation satisfied by the corresponding Hamiltonian equations, together with the tau functions. By taking…

Exactly Solvable and Integrable Systems · Physics 2026-02-13 Federico Zullo , Maria Grazia Naso , Elena Vuk

In this paper we obtain large $z$ asymptotic expansions in the complex plane for the tau function corresponding to special function solutions of the Painlev\'e II differential equation. Using the fact that these tau functions can be written…

Classical Analysis and ODEs · Mathematics 2018-10-04 Alfredo Deaño

Folding transformation of the Painlev\'e equations is an algebraic (of degree greater than 1) transformation between solutions of different equations. In 2005 Tsuda, Okamoto and Sakai classified folding transformations of differential…

Exactly Solvable and Integrable Systems · Physics 2021-10-29 M. Bershtein , A. Shchechkin

We propose that the grand canonical topological string partition functions satisfy finite-difference equations in the closed string moduli. In the case of genus one mirror curve these are conjectured to be the q-difference Painlev\'e…

High Energy Physics - Theory · Physics 2018-01-03 Giulio Bonelli , Alba Grassi , Alessandro Tanzini

We recover a result of Iwasawa on the p-adic logarithm of principal units with the use of the value at 1 of p-adic L-functions. We deduce an Iwasawa-like result in the odd part of principal units.

Number Theory · Mathematics 2007-05-23 Bruno Angles , Thomas Herreng

We consider a wide class of determinants whose entries are moments of the so-called semiclassical functionals and we show that they are tau functions for an appropriate isomonodromic family which depends on the parameters of the symbols for…

Exactly Solvable and Integrable Systems · Physics 2009-11-13 M. Bertola

We relate two parameter solutions of the sixth Painlev\'e equation and finite-gap solutions of the Heun equation by considering monodromy on a certain class of Fuchsian differential equations. In the appendix, we present formulae on…

Classical Analysis and ODEs · Mathematics 2007-05-23 Kouichi Takemura

The modern version of conformal matrix model (CMM) describes conformal blocks in the Dijkgraaf-Vafa phase. Therefore it possesses a determinant representation and becomes a Toda chain $\tau$-function only after a peculiar Fourier transform…

High Energy Physics - Theory · Physics 2019-10-30 A. Mironov , A. Morozov , Z. Zakirova

We present a Lax pair for the sixth Painlev\'e equation arising as a continuous isomonodromic deformation of a system of linear difference equations with an additional symmetry structure. We call this a symmetric difference-differential Lax…

Exactly Solvable and Integrable Systems · Physics 2016-12-22 Christopher M. Ormerod , Eric M. Rains

We study, in this paper, a one parameter deformation of the $q-$Laguerre weight function. An investigation is made on the polynomials orthogonal with respect to such a weight. With the aid of the two compatibility conditions previously…

Classical Analysis and ODEs · Mathematics 2014-04-14 Y. Chen , J. Griffin

The paper is an essentially extended version of the work math.CA/0601371, supplemented with an application. We present new results in the theory of classical $\theta$-functions of Jacobi and $\sigma$-functions of Weierstrass: ordinary…

Classical Analysis and ODEs · Mathematics 2008-08-27 Yu. V. Brezhnev

By analogy to the continuous Painlev\'e II equation, we present particular solutions of the discrete Painlev\'e II (d-P$\rm_{II}$) equation. These solutions are of rational and special function (Airy) type. Our analysis is based on the…

solv-int · Physics 2009-10-28 J. Satsuma , K. Kajiwara , B. Grammaticos , J. Hietarinta , A. Ramani

We construct a family of second-order linear difference equations parametrized by the hypergeometric solution of the elliptic Painlev\'e equation (or higher-order analogues), and admitting a large family of monodromy-preserving…

Classical Analysis and ODEs · Mathematics 2011-09-12 Eric M. Rains

We analyze isomonodromic deformations of rational connections on the Riemann sphere with Fuchsian and irregular singularities. The Fuchsian singularities are allowed to be of arbitrary resonant index; the irregular singularities are also…

Exactly Solvable and Integrable Systems · Physics 2008-04-02 Marco Bertola , Man Yue Mo

We study the recurrence coefficients of the orthogonal polynomials with respect to a semi-classical extension of the Krawtchouk weight. We derive a coupled discrete system for these coefficients and show that they satisfy the fifth…

Classical Analysis and ODEs · Mathematics 2012-12-03 Lies Boelen , Galina Filipuk , Christophe Smet , Walter Van Assche , Lun Zhang

The Painlev\'e equations possess transcendental solutions $y(t)$ with special initial values that are symmetric under rotation or reflection in the complex $t$-plane. They correspond to monodromy problems that are explicitly solvable in…

Exactly Solvable and Integrable Systems · Physics 2023-04-26 Nalini Joshi , Pieter Roffelsen

In this paper, we establish some new Ostrowski's type inequalities for m- and (alpha,m)- logarithmically convex functions by using the Riemann-Liouville fractional integrals.

Classical Analysis and ODEs · Mathematics 2012-12-11 Ahmet Ocak Akdemir

Correlation functions for holonomic fields on the Poincare' disk are analyzed. The two point functions are shown to be expressible in terms of Painleve' functions of type VI.

High Energy Physics - Theory · Physics 2009-07-11 John Palmer , Morris Beatty , Craig A. Tracy

We will study a monodromy preserving deformation with an irregular singular point and determine the $\tau$ function of the monodromy preserving deformation by the elliptic $\theta$ function moving the argument $z$ and the period $\Omega$.

Classical Analysis and ODEs · Mathematics 2011-11-10 Kazuhide Matsuda

We study the solutions of the sixth Painlev\'e equation with a logarithmic asymptotic behavior at a critical point. We compute the monodromy group associated to the solutions by the method of monodromy preserving deformations and we…

Mathematical Physics · Physics 2011-02-23 Davide Guzzetti