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We investigate the Cauchy problem of three-dimensional compressible non-isothermal nematic liquid crystal flows in $\mathbb{R}^3$. We derive the global existence and uniqueness of strong solutions with both interior and far field vacuum…

Analysis of PDEs · Mathematics 2021-08-24 Yang Liu , Xin Zhong

We consider a wave equation with a nonlocal logarithmic damping depending on a small parameter $\theta \in (0,1/2)$. This research is a counter part of that was initiated by Charao-D'Abbicco-Ikehata considered in [5] for the large parameter…

Analysis of PDEs · Mathematics 2021-09-27 Alessandra Piske , Ruy Coimbra Charão , Ryo Ikehata

In this work we propose a nonlinear stabilization technique for convection-diffusion-reaction and pure transport problems discretized with space-time isogeometric analysis. The stabilization is based on a graph-theoretic artificial…

Numerical Analysis · Computer Science 2019-11-18 Jesús Bonilla , Santiago Badia

This paper is concerned with a general class of fully nonlinear parabolic equations with monotone nonlocal terms. We investigate the quasiconvexity preserving property of positive, spatially coercive viscosity solutions. We prove that if…

Analysis of PDEs · Mathematics 2022-05-03 Takashi Kagaya , Qing Liu , Hiroyoshi Mitake

In this paper we study a nonlocal reaction-diffusion equation in which the diffusion depends on the gradient of the solution. We prove first the existence and uniqueness of regular and strong solutions. Second, we obtain the existence of…

Dynamical Systems · Mathematics 2026-02-27 Rubén Caballero , Pedro Marín-Rubio , José Valero

It is shown that if the initial condition of the Cauchy problem for the diffusion equation on a general infinite countable ultrametric space is spherically symmetric with respect to some point, then this problem has an exact analytical…

Mathematical Physics · Physics 2024-08-05 A. Kh. Bikulov , A. P. Zubarev

We study the effect of a viscous dissipation on the Cauchy problem for a Cattaneo-type model in nonlinear acoustics, established by applying the Lighthill approximation for the viscous or inviscid fluid model. The contribution of this paper…

Analysis of PDEs · Mathematics 2023-08-15 Wenhui Chen , Yan Liu , Alessandro Palmieri , Xulong Qin

This paper is devoted to kinetic equations without confinement. We investigate the large time behaviour induced by collision operators with fat tailed local equilibria. Such operators have an anomalous diffusion limit. In the appropriate…

Analysis of PDEs · Mathematics 2024-01-12 Emeric Bouin , Jean Dolbeault , Laurent Lafleche

We consider a porous medium equation with nonlocal diffusion effects given by an inverse fractional Laplacian operator. In a previous paper we have found mass-preserving, nonnegative weak solutions of the equation satisfying energy…

Analysis of PDEs · Mathematics 2010-04-08 Luis Caffarelli , Juan Luis Vazquez

We propose and study discontinuous Galerkin methods for strongly degenerate convection-diffusion equations perturbed by a fractional diffusion (L\'evy) operator. We prove various stability estimates along with convergence results toward…

Numerical Analysis · Mathematics 2011-11-29 Simone Cifani , Espen R. Jakobsen , Kenneth H. Karlsen

Simple finite differencing of the anisotropic diffusion equation, where diffusion is only along a given direction, does not ensure that the numerically calculated heat fluxes are in the correct direction. This can lead to negative…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Prateek Sharma , Gregory W. Hammett

In this paper we consider a subcritical model that involves nonlocal diffusion and a classical convective term. In spite of the nonlocal diffusion, we obtain an Oleinik type estimate similar to the case when the diffusion is local. First we…

Analysis of PDEs · Mathematics 2016-10-13 C. Cazacu , L. Ignat , A. Pazoto

In this paper, we investigate the asymptotic behavior of solutions to the Cauchy problem for the scalar non-viscous diffusive dispersive conservation laws where the far field states are prescribed. We proved that the solution of the Cauchy…

Analysis of PDEs · Mathematics 2021-08-17 Natsumi Yoshida

We study the Cauchy problem for the nonlinear damped wave equation and establish the large data local well-posedness and small data global well-posedness with slowly decaying initial data. We also prove that the asymptotic profile of the…

Analysis of PDEs · Mathematics 2019-03-14 Masahiro Ikeda , Takahisa Inui , Yuta Wakasugi

We study the large time behavior of solutions to a non-local diffusion equation, $u_t=J*u-u$ with $J$ smooth, radially symmetric and compactly supported, posed in $\mathbb{R}_+$ with zero Dirichlet boundary conditions. In sets of the form…

Analysis of PDEs · Mathematics 2013-08-23 Carmen Cortazar , Manuel Elgueta , Fernando Quiros , Noemi Wolanski

We analyze the well-posedness of an anisotropic, nonlocal diffusion equation. Establishing an equivalence between weighted and unweighted anisotropic nonlocal diffusion operators in the vein of unified nonlocal vector calculus, we apply our…

Analysis of PDEs · Mathematics 2021-01-13 Marta D'Elia , Mamikon Gulian

The behaviour is investigated of solutions to a diffusion equation on the real line with nonlocal and singular reaction term, i.e., given by a Dirac source or sink at the origin. It gives a simplified representation of for example a control…

Analysis of PDEs · Mathematics 2026-05-19 Xiao Yang , Qiyao Peng , Sander C. Hille

We study the homogeneous Cauchy-Dirichlet Problem (CDP) for a nonlinear and nonlocal diffusion equation of singular type of the form $\partial_t u =-\mathcal{L} u^m$ posed on a bounded Euclidean domain $\Omega\subset\mathbb{R}^N$ with…

Analysis of PDEs · Mathematics 2022-08-01 Matteo Bonforte , Peio Ibarrondo , Mikel Ispizua

This work studies nonnegative solutions for the Cauchy, Neumann, and Dirichlet problems of a logistic type reaction-diffusion equation. The finite time blowup results for nonnegative solutions under various restrictions on the coefficients…

Analysis of PDEs · Mathematics 2007-05-23 Chu-Pin Lo

We study the blow-up question for the diffusion equation involving a nonlocal derivative in time defined by convolution with a nonnegative and nonincreasing kernel, and a nonlocal operator in space driven by a nonnegative radial L\'evy…

Analysis of PDEs · Mathematics 2024-06-21 Raúl Ferreira , Arturo de Pablo
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