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Related papers: On uniqueness of solutions to nonlinear Fokker--Pl…

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Initial-boundary value problems for second order fully nonlinear PDEs with Caputo time fractional derivatives of order less than one are considered in the framework of viscosity solution theory. Associated boundary conditions are Dirichlet…

Analysis of PDEs · Mathematics 2018-05-15 Tokinaga Namba

Strong existence and pathwise uniqueness of solutions with $L^{\infty}$-vorticity of 2D stochastic Euler equations is proved. The noise is multiplicative and involves first derivatives. A Lagrangian approach is implemented, where a…

Probability · Mathematics 2016-09-09 Zdzisław Brzeźniak , Franco Flandoli , Mario Maurelli

We associate a coupled nonlinear Fokker-Planck equation on $\R^d$, i.e. with solution paths in $\scr P$, to a linear Fokker-Planck equation for probability measures on the product space $\R^d\times \scr P$, i.e. with solution paths in $\scr…

Probability · Mathematics 2020-11-02 Panpan Ren , Michael Rockner , Feng-Yu Wang

A class of nonlinear Fokker-Planck equations with superlinear drift is investigated in the $L^1$-supercritical regime, which exhibits a finite critical mass. The equations have a formal Wasserstein-like gradient-flow structure with a convex…

Analysis of PDEs · Mathematics 2023-06-29 Katharina Hopf

We provide some counterexamples concerning the uniqueness and regularity of weak solutions to the initial-boundary value problem for gradient flows of certain strongly polyconvex functionals by showing that such a problem can possess a…

Analysis of PDEs · Mathematics 2022-05-17 Baisheng Yan

The steady-state solution of fluid flow in pipeline infrastructure networks driven by junction/node potentials is a crucial ingredient in various decision-support tools for system design and operation. While the nonlinear system is known to…

Numerical Analysis · Mathematics 2024-10-23 Shriram Srinivasan , Nishant Panda , Kaarthik Sundar

We quantify the uniqueness of continuation from Cauchy or interior data. Our approach consists in extending the existing results in the linear case. As by product we obtain a new stability estimate in the linear case. We also show the…

Analysis of PDEs · Mathematics 2022-08-18 Mourad Choulli

In this article, we investigate the existence and uniqueness of a positive solution for a class of singular nonlinear elliptic problem with boundary condition. Our result holds in fractional Orlicz-Sobolev spaces.

Analysis of PDEs · Mathematics 2025-08-12 Abdelaaziz Sbai , Youssef El hadfi , Mounim El ouardy

We construct with full rigorous mathematical proof a family of approximate solutions to the Cauchy problem for the standard system of two fluid flows with energy equations and we pass to the limit by weak compactness to obtain Radon…

Analysis of PDEs · Mathematics 2019-07-09 M. Colombeau

A Fokker-Planck equation approach for the treatment of non-Markovian stochastic processes is proposed. The approach is based on the introduction of fictitious trajectories sharing with the real ones their local structure and initial…

Chaotic Dynamics · Physics 2009-11-11 Piero Olla , Luca Pignagnoli

In a recent paper Calogero and Alcantara derived a Lorentz-invariant Fokker-Planck equation, which corresponds to the evolution of a particle distribution associated with relativistic Brownian Motion. We study the "one and one-half"…

Analysis of PDEs · Mathematics 2015-09-01 Stephen Pankavich , Nicholas Michalowski

We examine the blow-up claims of the incompressible Euler equations for several specific flow-fields, (1) the columnar eddies in the vicinity of stagnation; (2) a quasi-three-dimensional structure for illustrating oscillations and…

Fluid Dynamics · Physics 2023-06-16 F. Lam

In this work, we investigate a model describing flow through porous media with permeability heterogeneity, combining an advection-reaction-diffusion equation for solute concentration with an unsteady Darcy-Brinkman equation with Korteweg…

Analysis of PDEs · Mathematics 2026-04-14 Pankaj Roy , Satyajit Pramanik

In this paper we present some very recent results regarding existence, uniqueness, and multiplicity of solutions for quasilinear elliptic equations and systems, exhibiting both singular and convective reaction terms. The importance of…

Analysis of PDEs · Mathematics 2022-04-20 Umberto Guarnotta

The goal of this paper is to study weak solutions of the Fokker-Planck equation. We first discuss existence and uniqueness of weak solutions in an irregular context, providing a unified treatment of the available literature along with some…

Analysis of PDEs · Mathematics 2025-01-23 Paolo Bonicatto , Gennaro Ciampa , Gianluca Crippa

We study the Cauchy problem for the parabolic infinity Laplace equation. We prove a new comparison principle and obtain uniqueness of viscosity solutions in the class of functions with a polinomial growth at infinity, improving previous…

Analysis of PDEs · Mathematics 2010-09-17 Tommaso Leonori , José Miguel Urbano

In this work, we prove the existence, uniqueness and smoothing properties of the solution to the Cauchy problem for the spatially homogeneous Boltzmann equation with Debye-Yukawa potential for probability measure initial datum.

Analysis of PDEs · Mathematics 2016-10-13 Hao-Guang Li

We discuss different notions of continuous solutions to the balance law \[u_t + (f(u ))_x =g \] with $g$ bounded, $f\in C^{2}$, extending previous works relative to the flux $f(u)=u^{2}$. We establish the equivalence among distributional…

Analysis of PDEs · Mathematics 2016-06-22 G. Alberti , S. Bianchini , L. Caravenna

We consider the Cauchy problem for (energy-subcritical) nonlinear Schr\"odinger equations with sub-quadratic external potentials and an additional angular momentum rotation term. This equation is a well-known model for superfluid quantum…

Analysis of PDEs · Mathematics 2013-02-08 Paolo Antonelli , Daniel Marahrens , Christof Sparber

We consider the Cauchy problem for a $n\times n$ strictly hyperbolic system of balance laws $$ \{{array}{c} u_t+f(u)_x=g(x,u), x \in \mathbb{R}, t>0 u(0,.)=u_o \in L^1 \cap BV(\mathbb{R}; \mathbb{R}^n), | \lambda_i(u)| \geq c > 0 {for all}…

Analysis of PDEs · Mathematics 2008-09-17 Graziano Guerra , Francesca Marcellini , Veronika Schleper