English
Related papers

Related papers: De Giorgi Argument for non-cutoff Boltzmann equati…

200 papers

The existence and stability of collisional kinetic equation, especially non-cutoff Boltzmann equation, in bounded domain with physical boundary condition is longstanding open problem. This work proves the global stability of the Landau…

Analysis of PDEs · Mathematics 2021-06-09 Dingqun Deng

We study the Cauchy problem for the Gross-Pitaevskii equation with a nonlocal interaction potential of Hartree type in three space dimensions. If the potential is even and positive definite or a positive function and its Fourier transform…

Analysis of PDEs · Mathematics 2012-10-08 Hartmut Pecher

In this paper we establish the global in time existence and uniqueness of solutions to the Boltzmann hierarchy, a hierarchy of equations instrumental for the rigorous derivation of the Boltzmann equation from many particles. Inspired by…

Analysis of PDEs · Mathematics 2024-02-02 Ioakeim Ampatzoglou , Joseph K. Miller , Nataša Pavlović , Maja Tasković

In this paper, we consider the spatially inhomogeneous diffusively driven inelastic Boltzmann equation in different cases: the restitution coefficient can be constant or can depend on the impact velocity (which is a more physically relevant…

Analysis of PDEs · Mathematics 2015-12-04 Isabelle Tristani

We prove the global existence and uniqueness of classical solutions around an equilibrium to the Boltzmann equation without angular cutoff in some Sobolev spaces. In addition, the solutions thus obtained are shown to be non-negative and…

Analysis of PDEs · Mathematics 2010-10-28 Radjesvarane Alexandre , Y. Morimoto , Seiji Ukai , Chao-Jiang Xu , Tong Yang

In this paper the global existence of weak solutions to the relativistic BGK model for the relativistic Boltzmann equation is analyzed. The proof relies on the strong compactness of the density, velocity and temperature under minimal…

Analysis of PDEs · Mathematics 2019-02-21 Juan Calvo , Pierre-Emmanuel Jabin , Juan Soler

This paper aims to incorporate the Caflisch's decomposition into the macro-micro decomposition in Boltzmann theory for allowing the microscopic component to exhibit only the polynomial tail in large velocities. In particular, we treat the…

Analysis of PDEs · Mathematics 2024-07-12 Renjun Duan , Zongguang Li

We give quantitative estimates on the asymptotics of the linearized Boltzmann collision operator and its associated equation from angular cutoff to non cutoff. On one hand, the results disclose the link between the hyperbolic property…

Analysis of PDEs · Mathematics 2021-07-01 Ling-Bing He , Yu-Long Zhou

Consider, in dimension 3, a system of coupled Klein-Gordon equations with different speeds, and an arbitrary quadratic nonlinearity. We show, for data which are small, smooth, and localized, that a global solution exists, and that it…

Analysis of PDEs · Mathematics 2010-05-31 Pierre Germain

This paper establishes the global well-posedness of the multi-species Boltzmann equation with large-amplitude initial data in the periodic domain $\mathbb{T}^3$. In contrast to the single-species case, the multi-species mixture model lacks…

Analysis of PDEs · Mathematics 2026-05-12 Gyounghun Ko , Myeong-Su Lee , Sung-Jun Son

This paper is concerned with the relativistic Boltzmann equation without angular cutoff. We establish the global-in-time existence, uniqueness, and asymptotic stability for solutions nearby the relativistic Maxwellian. We work in the case…

Analysis of PDEs · Mathematics 2022-07-08 Jin Woo Jang , Robert M. Strain

We consider the Boltzmann operator for mixtures with cutoff Maxwellian, hard potentials, or hard spheres collision kernels. In a perturbative regime around the global Maxwellian equilibrium, the linearized Boltzmann multi-species operator…

Mathematical Physics · Physics 2018-11-21 Andrea Bondesan , Laurent Boudin , Marc Briant , Bérénice Grec

This paper studies a Boltzmann-Nordheim equation in a slab with two-dimensional velocity space and pseudo-Maxwellian forces. Strong solutions are obtained for the Cauchy problem with large initial data in an $ L^1 \cap L^{\infty} $ setting.…

Mathematical Physics · Physics 2016-01-27 L. Arkeryd , A. Nouri

We derive quantitatively the Harnack inequalities for kinetic integro-differential equations. This implies H\"older continuity. Our method is based on trajectories and exploits a term arising due to the non-locality in the energy estimate.…

Analysis of PDEs · Mathematics 2024-01-09 Amélie Loher

Existence of global regular solution branches of the Boltzmann Cauchy problem with continuously differentiable data in phase space dimension $2d\geq 6$ with polynomial decay at infinity of order greater than $2d$ is proved. There are data…

Analysis of PDEs · Mathematics 2016-01-07 Jörg Kampen

We prove quantitative growth estimates for large data solutions to the 1D Boltzmann equation, for a collision kernel with angular cutoff and relative velocity cutoff. We present proofs for the global well-posedness results presented in the…

Analysis of PDEs · Mathematics 2023-10-24 Dominic Wynter

The paper considers the convergence to equilibrium for measure solutions of the spatially homogeneous Boltzmann equation for hard potentials with angular cutoff. We prove the exponential sharp rate of strong convergence to equilibrium for…

Analysis of PDEs · Mathematics 2015-01-27 Lu Xuguang , Clément Mouhot

We consider the spatially homogeneous Boltzmann equation for hard potentials without cutoff. We prove that an exponential moment of order $\rho=\min\{2\gamma/(2-\nu),2\}$, with the usual notation, is immediately created. This is stronger…

Analysis of PDEs · Mathematics 2021-09-22 Nicolas Fournier

We obtain finite-time existence for the massless Boltzmann equation, with a range of soft cross-sections, in an FLRW background with data given at the initial singularity. In the case of positive cosmological constant we obtain long-time…

General Relativity and Quantum Cosmology · Physics 2020-01-29 Ho Lee , Ernesto Nungesser , Paul Tod

In this paper we are interested in the coupled wave and Klein-Gordon equations in $\mathbb{R}^+\times\mathbb{R}^2$. We want to establish the global well-posedness of such system by showing the uniform boundedness of the energy for the…

Analysis of PDEs · Mathematics 2023-12-06 Xinyu Cheng