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We prove existence and uniqueness of a solution for the stochastic Allen-Cahn equation with logarithmic potential and multiplicative Wiener noise, under homogeneous Neumann boundary condition. The existence of a solution is obtained in the…

Analysis of PDEs · Mathematics 2020-09-30 Federico Bertacco

Using similarity transformations we construct explicit solutions of the nonlinear Schrodinger equation with linear and nonlinear periodic potentials. We present explicit forms of spatially localized and periodic solutions, and study their…

Pattern Formation and Solitons · Physics 2015-05-13 Juan Belmonte Beitia , Vladimir V. Konotop , Victor M. Perez Garcia , Vadym E. Vekslerchik

We prove the interior and global Lipschitz regularity results for a solution of fully nonlinear equations with $(p,q)$-growth. We prove that for a small gap $q-p$, a solution is locally or globally Lipschitz continuous. We also prove that a…

Analysis of PDEs · Mathematics 2026-05-18 Sun-Sig Byun , Hongsoo Kim

The Functionalized Cahn-Hilliard equation has been proposed as a model for the interfacial energy of phase-separated mixtures of amphiphilic molecules. We study the existence of a nonnegative weak solutions of a gradient flow of the…

Analysis of PDEs · Mathematics 2023-10-09 Shibin Dai , Qiang Liu , Toai Luong , Keith Promislow

We extend known existence and uniqueness results of weak measure solutions for systems of non-local continuity equations beyond the usual Lipschitz regularity. Existence of weak measure solutions holds for uniformly continuous vector fields…

Analysis of PDEs · Mathematics 2023-01-30 Marco Inversi , Giorgio Stefani

In this paper we prove existence, uniqueness of weak solutions of the following nonlocal nonlinear logistic equation \begin{equation*} \begin{cases} (-\Delta)_p^s u_\lambda=\lambda u_\lambda^q - b(x)u_\lambda^r \quad \text{in} \;\Omega,\\…

Analysis of PDEs · Mathematics 2026-01-13 Loïc Constantin , Carlos Alberto Santos , Guillaume Warnault

In this paper we analyse the asymptotic behaviour of some nonlocal diffusion problems with local reaction term in general metric measure spaces. We find certain classes of nonlinear terms, including logistic type terms, for which solutions…

Analysis of PDEs · Mathematics 2024-09-17 Aníbal Rodríguez-Bernal , Silvia Sastre-Gomez

We consider positive solutions of a fractional Lane-Emden type problem in a bounded domain with Dirichlet conditions. We show that uniqueness and nondegeneracy hold for the asymptotically linear problem in general domains. Furthermore, we…

Analysis of PDEs · Mathematics 2022-07-25 Abdelrazek Dieb , Isabella Ianni , Alberto Saldaña

We prove local Lipschitz continuity and Harnack's inequality for value functions of the stochastic game tug-of-war with noise and running payoff. As a consequence, we obtain game-theoretic proofs for the same regularity properties for…

Analysis of PDEs · Mathematics 2015-09-11 Eero Ruosteenoja

We prove local H\"older regularity for a nonlocal parabolic equations of the form \begin{align*} \partial_t u + \text{P.V.}\int_{\mathbb{R}^N} \frac{|u(x,t)-u(y,t)|^{p-2}(u(x,t)-u(y,t))}{|x-y|^{N+sp}}\,dy=0, \end{align*} for $p\in…

Analysis of PDEs · Mathematics 2024-01-05 Karthik Adimurthi , Harsh Prasad , Vivek Tewary

We consider a non-isothermal modified Cahn--Hilliard equation which was previously analyzed by M. Grasselli et al. Such an equation is characterized by an inertial term and a viscous term and it is coupled with a hyperbolic heat equation.…

Analysis of PDEs · Mathematics 2013-10-04 Cecilia Cavaterra , Maurizio Grasselli , Hao Wu

In this paper, we consider an elliptic problem driven by a mixed local-nonlocal operator with drift and subject to nonlocal Neumann condition. We prove the existence and uniqueness of a solution $u\in W^{2,p}(\Omega)$ of the considered…

Analysis of PDEs · Mathematics 2025-01-03 Craig Cowan , Mohammad El Smaily , Pierre Aime Feulefack

In this paper we study removable singularities for regular $(1,1/2)$-Lipschitz solutions of the heat equation in time varying domains. We introduce an associated Lipschitz caloric capacity and we study its metric and geometric properties…

Classical Analysis and ODEs · Mathematics 2020-12-25 Joan Mateu , Laura Prat , Xavier Tolsa

We study the asymptotic behavior of Lipschitz continuous solutions of nonlinear degenerate parabolic equations in the periodic setting. Our results apply to a large class of Hamilton-Jacobi-Bellman equations. Defining S as the set where the…

Analysis of PDEs · Mathematics 2013-06-05 Olivier Ley , Vinh Duc Nguyen

Persistence of non-degeneracy is a phenomenon which appears in the theory of $\overline{\mathbb Q}_l$-representations of the linear group: every irreducible submodule of the restriction to the mirabolic sub-representation of a…

Number Theory · Mathematics 2022-11-14 Pascal Boyer

We develop an existence, regularity and potential theory for nonlinear integrodifferential equations involving measure data. The nonlocal elliptic operators considered are possibly degenerate and cover the case of the fractional…

Analysis of PDEs · Mathematics 2015-05-20 Tuomo Kuusi , Giuseppe Mingione , Yannick Sire

We consider a system of $n$ nonlocal interaction evolution equations on $\mathbb{R}^d$ with a differentiable matrix-valued interaction potential $W$. Under suitable conditions on convexity, symmetry and growth of $W$, we prove…

Analysis of PDEs · Mathematics 2015-12-18 Jonathan Zinsl

The purpose of this article is to prove existence, uniqueness and uniform gradient estimates for unbounded classical solutions of a Hamilton-Jacobi-Bellman equation. Such an equation naturally arises in stochastic control problems. Contrary…

Analysis of PDEs · Mathematics 2023-09-26 Louis-Pierre Chaintron

Consider classical solutions to the parabolic reaction diffusion equation $$ &u_t =Lu+f(x,u), (x,t)\in R^n\times(0,\infty); &u(x,0) =g(x)\ge0, x\in R^n; &u\ge0, $$ where $$ L=\sum_{i,j=1}^na_{i,j}(x)\frac{\partial^2}{\partial x_i \partial…

Analysis of PDEs · Mathematics 2007-05-23 Ross Pinsky

We establish the local Lipschitz continuity and the higher differentiability of vector-valued local minimizers of a class of energy integrals of the Calculus of Variations. The main novelty is that we deal with possibly degenerate energy…

Analysis of PDEs · Mathematics 2021-01-05 Giovanni Cupini , Paolo Marcellini , Elvira Mascolo , A. Passarelli di Napoli