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Related papers: Open Problems for Painlev\'e Equations

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The Painlev\'e--Kovalevskaya test is applied to find three matrix versions of the Painlev\'e II equation. All these equations are interpreted as group-invariant reductions of integrable matrix evolution equations, which makes it possible to…

Exactly Solvable and Integrable Systems · Physics 2021-07-20 V. E. Adler , V. V. Sokolov

We consider a modified Boussinesq type equation. The Painlev\'{e} test of the WTC method is performed for this equation and it shows that the equation has weak Painlev\'{e} property. Some exact solutions are constructed.

solv-int · Physics 2016-09-08 Q. P. Liu

We give explicit cubic equations for the wild character varieties corresponding to the rank 3 representations of Painlev\'e equations, and compare them to the ones of their classical rank 2 representations.

Algebraic Geometry · Mathematics 2025-06-03 Miklos Eper , Szilard Szabo

Discrete Painlev\'e equations are nonlinear, nonautonomous difference equations of second-order. They have coefficients that are explicit functions of the independent variable $n$ and there are three different types of equations according…

Exactly Solvable and Integrable Systems · Physics 2019-02-22 Nalini Joshi , Nobutaka Nakazono

The integrability (solvability via an associated single-valued linear problem) of a differential equation is closely related to the singularity structure of its solutions. In particular, there is strong evidence that all integrable…

solv-int · Physics 2009-10-30 Martin D. Kruskal , Nalini Joshi , Rod Halburd

Orthogonal polynomials and multiple orthogonal polynomials are interesting special functions because there is a beautiful theory for them, with many examples and useful applications in mathematical physics, numerical analysis, statistics…

Classical Analysis and ODEs · Mathematics 2020-07-14 Walter Van Assche

We will study special solutions of the fourth, fifth and sixth Painlev\'e equations with generic values of parameters whose linear monodromy can be calculated explicitly. We will show the relation between Umemura's classical solutions and…

Classical Analysis and ODEs · Mathematics 2007-05-23 Kazuo Kaneko

In this article we will obtain real and complex solutions to the Painleve IV equation through supersymmetric quantum mechanics. Then we will classify them into real solution hierarchies and also the complex solution hierarchies, which are…

Mathematical Physics · Physics 2016-12-16 David Bermudez , David J. Fernandez C

We offer elementary proofs for fundamental properties of solutions to the homogeneous second Painlev\'e equation.

Classical Analysis and ODEs · Mathematics 2016-08-09 P. L. Robinson

In this paper we will study the equivalence between super-Poincar\'e inequality and some log-Sobolev type inequalities, including weak log-Sobolev inequality and super log-Sobolev inequality. The explicit relations between associated rate…

Probability · Mathematics 2026-05-11 Xin Chen , Qiuchen Yang

We propose a list of open problems in pluripotential theory partially motivated by their applications to complex differential geometry. The list includes both local questions as well as issues related to the compact complex manifold…

Complex Variables · Mathematics 2015-11-04 Slawomir Dinew , Vincent Guedj , Ahmed Zeriahi

It is known that discrete Painlev\'e equations have symmetries of the affine Weyl groups. In this paper we propose a new representation of discrete Painlev\'e equations in which the symmetries become clearly visible. We know how to obtain…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 Mikio Murata

In this paper, we construct a new relation between ABS equations and Painlev\'e equations. Moreover, using this connection we construct the difference-differential Lax representations of the fourth and fifth Painlev\'e equations.

Exactly Solvable and Integrable Systems · Physics 2018-03-14 Nobutaka Nakazono

This is a survey on algorithmic questions about combinatorial and geometric properties of convex polytopes. We give a list of 35 problems; for each the current state of knowledege on its theoretical complexity status is reported. The…

Combinatorics · Mathematics 2007-05-23 Volker Kaibel , Marc E. Pfetsch

We study the analytic properties and the critical behavior of the elliptic representation of solutions of the Painlev\'e 6 equation. We solve the connection problem for elliptic representation in the generic case and in a non-generic case…

Complex Variables · Mathematics 2012-04-17 Davide Guzzetti

This article presents an equivalent formulation of the implicit complementarity problem. We demonstrate that solution of the equivalent formulation is equivalent to the solution of the implicit complementarity problem. Moreover, we provide…

Optimization and Control · Mathematics 2023-12-08 Bharat Kumar , Deepmala , A. K. Das

This paper presents an overview of the current state of knowledge in the field of equivariant map algebras and discusses some open problems in this area.

Representation Theory · Mathematics 2013-12-31 Erhard Neher , Alistair Savage

We present a determinant expression for a family of classical transcendental solutions of the Painlev\'e V and the Painlev\'e VI equation. Degeneration of these solutions along the process of coalescence for the Painlev\'e equations is…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 Tetsu Masuda

Solving polynomial equations is a subtask of polynomial optimization. This article introduces systems of such equations and the main approaches for solving them. We discuss critical point equations, algebraic varieties, and solution counts.…

Algebraic Geometry · Mathematics 2023-04-24 Simon Telen

In this work there are considered model problems for two nonlinear equations, which type depends on the solution. One of the equations may be called a nonlinear analog of the Lavrent'ev-Bitsadze equation.

Analysis of PDEs · Mathematics 2013-05-06 Isaac I. Vainshtein