Clustered travelling vortex rings to the axisymmetric three-dimensional incompressible Euler flows

W Ao, Y Liu, J Wei - Physica D: Nonlinear Phenomena, 2022 - Elsevier
For the three dimensional axisymmetric Euler flow, we construct a family of solutions with
multiple travelling vortex rings, with large speed of order O (| ln ɛ|), where ɛ> 0 is a small …

[HTML][HTML] Electrostatic models for zeros of polynomials: old, new, and some open problems

F Marcellán, A Martínez-Finkelshtein… - Journal of computational …, 2007 - Elsevier
We give a survey concerning both very classical and recent results on the electrostatic
interpretation of the zeros of some well-known families of polynomials, and the interplay …

Vortices and polynomials

PA Clarkson - Studies in Applied mathematics, 2009 - Wiley Online Library
The relationship between point vortex dynamics and the properties of polynomials with roots
at the vortex positions is discussed. Classical polynomials, such as the Hermite polynomials …

Liouville chains: new hybrid vortex equilibria of the two-dimensional Euler equation

VS Krishnamurthy, MH Wheeler, DG Crowdy… - Journal of Fluid …, 2021 - cambridge.org
A large class of new exact solutions to the steady, incompressible Euler equation on the
plane is presented. These hybrid solutions consist of a set of stationary point vortices …

Minimal polynomial systems for point vortex equilibria

KA O'Neil - Physica D: Nonlinear Phenomena, 2006 - Elsevier
Point vortices in a two-dimensional fluid may be arranged so that all resulting vortex
velocities are identical; these are equivalent to force-free arrangements of 2D Coulomb …

Vortices and polynomials: non-uniqueness of the Adler–Moser polynomials for the Tkachenko equation

MV Demina, NA Kudryashov - Journal of Physics A: Mathematical …, 2012 - iopscience.iop.org
Stationary and translating relative equilibria of point vortices in the plane are studied. It is
shown that stationary equilibria of any system containing point vortices with arbitrary choice …

Polynomial sequences related to point vortex equilibria with three strengths

N Cox-Steib, K O'Neil - Physica D: Nonlinear Phenomena, 2023 - Elsevier
In this paper a family of sequences of polynomials is studied that generalize the Adler–
Moser and Loutsenko polynomial sequences related to point vortex equilibria. The …

Rational solutions of the Boussinesq equation

PA Clarkson - Analysis and Applications, 2008 - World Scientific
Rational solutions of the Boussinesq equation are expressed in terms of special polynomials
associated with rational solutions of the second and fourth Painlevé equations, which arise …

Point vortices and polynomials of the Sawada-Kotera and Kaup-Kupershmidt equations

MV Demina, NA Kudryashov - Regular and Chaotic Dynamics, 2011 - Springer
Rational solutions and special polynomials associated with the generalized K 2 hierarchy
are studied. This hierarchy is related to the Sawada-Kotera and Kaup-Kupershmidt …

The symmetric fourth Painlevé hierarchy and associated special polynomials

GV Filipuk, PA Clarkson - Studies in Applied Mathematics, 2008 - Wiley Online Library
In this paper two families of rational solutions and associated special polynomials for the
equations in the symmetric fourth Painlevé hierarchy are studied. The structure of the roots …