English
Related papers

Related papers: Existence of axially symmetric solutions to the Vl…

200 papers

We consider a family of isolated inhomogeneous steady states to the gravitational Vlasov-Poisson system with a point mass at the centre. They are parametrised by the polytropic index $k>1/2$, so that the phase space density of the steady…

Analysis of PDEs · Mathematics 2025-07-23 Mahir Hadzic , Gerhard Rein , Matthew Schrecker , Christopher Straub

We study smooth, spherically-symmetric solutions to the Vlasov-Poisson system and relativistic Vlasov-Poisson system in the plasma physical case. In particular, we construct solutions that initially possess arbitrarily small charge…

Analysis of PDEs · Mathematics 2023-12-05 Kaiwen Tan

We prove local existence of solutions in the case of cosmological models for the Einstein-Vlasov-scalar field system with $T^2$ symmetry in expanding direction. This proof is based on short-time existence theorems for the partial…

General Relativity and Quantum Cosmology · Physics 2021-06-16 A. T. Lassiye , D. Tegankong

In this paper, we study the Vlasov-Navier-Stokes system in a 2D pipe with partially absorbing boundary conditions. We show the existence of stationary states for this system near small Poiseuille flows for the fluid phase, for which the…

Analysis of PDEs · Mathematics 2016-12-21 Olivier Glass , Daniel Han-Kwan , Ayman Moussa

The existence of global regular axially symmetric solutions to the Navier-Stokes equations in a bounded cylinder is proved. The main step in the proof is a proof of the Holder continuity of the swirl. This gives a possibility to prove…

Analysis of PDEs · Mathematics 2013-03-06 Wojciech Zajaczkowski

The Vlasov-Schr\"odinger-Poisson system is a kinetic-quantum hybrid model describing quasi-lower dimensional electron gases. For this system, we construct a large class of 2D kinetic/1D quantum steady states in a bounded domain as…

Analysis of PDEs · Mathematics 2022-10-18 Younghun Hong , Sangdon Jin

Numerical methods that approximate the solution of the Vlasov-Poisson equation by a low-rank representation have been considered recently. These methods can be extremely effective from a computational point of view, but contrary to most…

Numerical Analysis · Mathematics 2018-07-09 Lukas Einkemmer , Christian Lubich

New results concerning the orbital stability of periodic traveling wave solutions for the "abcd" Boussinesq model will be shown in this manuscript. For the existence of solutions, we use basic tools of ordinary differential equations to…

Analysis of PDEs · Mathematics 2022-05-04 Gabriel E. Bittencourt Moraes , Guilherme de Loreno , Fábio Natali

A new optimization framework to design steady equilibrium solutions of the Vlasov-Poisson system by means of external electric fields is presented. This optimization framework requires the minimization of an ensemble functional with…

Optimization and Control · Mathematics 2024-07-24 Alfio Borzì , Gennaro Infante , Giovanni Mascali

We study the existence problem for a local implicit function determined by a system of nonlinear algebraic equations in the particular case when the determinant of its Jacobian matrix vanishes at the point under consideration. We present a…

Metric Geometry · Mathematics 2007-05-23 Victor Alexandrov

In this article the static Einstein-Vlasov-Maxwell system is considered in spherical symmetry. This system describes an ensemble of charged particles interacting by general relativistic gravity and Coulomb forces. First, a proof for local…

General Relativity and Quantum Cosmology · Physics 2019-10-09 Maximilian Thaller

We prove a global existence result with initial data of low regularity, and prove the trend to the equilibrium for the Vlasov-Poisson-Fokker-Planck system with small non linear term but with a possibly large exterior confining potential in…

Analysis of PDEs · Mathematics 2016-05-10 Frédéric Hérau , Laurent Thomann

The aim of this paper is to prove the existence of periodic solutions to symmetric Newtonian systems in any neighborhood of an isolated orbit of equilibria. Applying equivariant bifurcation techniques we obtain a generalization of the…

Dynamical Systems · Mathematics 2021-09-24 Anna Gołębiewska , Marta Kowalczyk , Sławomir Rybicki , Piotr Stefaniak

We prove the existence of solutions for the axisymmetric steady Navier-Stokes system around an infinite cylinder under external forces. The solutions are constructed to be decaying at the horizontal infinity, despite an analogue of the…

Analysis of PDEs · Mathematics 2024-04-25 Mitsuo Higaki

We consider the applications of a numerical-analytical approach based on multiscale variational wavelet technique to the systems with collective type behaviour described by some forms of Vlasov-Poisson/Maxwell equations. We calculate the…

Accelerator Physics · Physics 2007-05-23 Antonina N. Fedorova , Michael G. Zeitlin

We study the "one and one-half" dimensional Vlasov-Maxwell-Fokker-Planck system and obtain the first results concerning well-posedness of solutions. Specifically, we prove the global-in-time existence and uniqueness in the large of…

Analysis of PDEs · Mathematics 2017-01-31 Stephen Pankavich , Jack Schaeffer

We consider the Vlasov-Poisson-Landau system, a classical model for a dilute collisional plasma interacting through Coulombic collisions and with its self-consistent electrostatic field. We establish global stability and well-posedness near…

Analysis of PDEs · Mathematics 2022-01-19 Hongjie Dong , Yan Guo , Zhimeng Ouyang

We present Vlasov's equation and its association with Poisson's equation in the context of modelling self-gravitating systems such as Globular Clusters or Galaxies. We first review the classical hypotheses of the model. We continue with a…

Astrophysics · Physics 2009-11-10 Jerome Perez

Please see the article for the abstract.

Analysis of PDEs · Mathematics 2018-03-08 Mostafa Fazly

We prove a stability result of constant equilibria for the three-dimensional Navier-Stokes-Poisson system uniform in the inviscid limit. We allow the initial density to be close to a constant and the potential part of the initial velocity…

Analysis of PDEs · Mathematics 2020-11-17 Frédéric Rousset , Changzhen Sun
‹ Prev 1 3 4 5 6 7 10 Next ›