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We investigate one-dimensional scalar balance laws with singular convolution-type source terms. Under appropriate convexity and kernel assumptions, we establish the global existence of entropy weak solutions in ${\bf L}^2(\mathbb{R})$,…

Analysis of PDEs · Mathematics 2026-05-19 Evangelia Ftaka , Khai T. Nguyen

In the present work, we establish the existence and multiplicity of positive solutions for the singular elliptic equations with a double weighted nonlocal interaction term defined in the whole space $\mathbb{R}^N$. The nonlocal term and the…

Analysis of PDEs · Mathematics 2025-03-11 Márcia S. B. A. Cardoso , Edcarlos D. Silva , Marcos. L. M. Carvalho , Minbo Yang

We study the $\omega$-limit set of solutions of a nonlocal ordinary differential equation, where the nonlocal term is such that the space integral of the solution is conserved in time. Using the monotone rearrangement theory, we show that…

Analysis of PDEs · Mathematics 2016-01-26 Thanh Nam Nguyen

We study the problem of finding the resistors in a resistor network from measurements of the power dissipated by the resistors under different loads. We give sufficient conditions for local uniqueness, i.e. conditions that guarantee that…

Analysis of PDEs · Mathematics 2024-07-22 Marcus Corbett , Fernando Guevara Vasquez , Alexander Royzman , Guang Yang

For the incompressible and the isentropic compressible Euler equations in arbitrary space dimension, we establish the principle of localised relative energy, thus generalising the well-known relative energy method. To this end, we adapt…

Analysis of PDEs · Mathematics 2017-12-21 Emil Wiedemann

In this paper, we establish a comparison principle in terms of Lorentz norms and point-wise inequalities between a positive solution $u$ to the Poisson equation with non-homogeneous Neumann boundary conditions and a specific positive…

Analysis of PDEs · Mathematics 2024-10-10 Antonio Celentano , Carlo Nitsch , Cristina Trombetti

In this article we consider a class of non-degenerate elliptic operators obtained by superpositioning the Laplacian and a general nonlocal operator. We study the existence-uniqueness results for Dirichlet boundary value problems, maximum…

Analysis of PDEs · Mathematics 2023-10-11 Anup Biswas , Mitesh Modasiya

Existence and uniqueness of solutions for nonlocal Cahn-Hilliard equations with degenerate potential is shown. The nonlocality is described by means of a symmetric singular kernel not falling within the framework of any previous existence…

Analysis of PDEs · Mathematics 2020-12-11 Elisa Davoli , Helene Ranetbauer , Luca Scarpa , Lara Trussardi

We consider nxn hyperbolic systems of balance laws in one-space dimension under the assumption that all negative (resp. positive) characteristics are linearly degenerate. We prove the local exact one-sided boundary null controllability of…

Analysis of PDEs · Mathematics 2017-12-14 Tatsien Li , Lei Yu

We use the technique developed in [32]-[33] to construct the upper and the lower bounds for classes of problems containing non-local terms, including problems in micromagnetics and problems arising in the variational study of the Method of…

Analysis of PDEs · Mathematics 2015-02-10 Arkady Poliakovsky

We study the existence of global-in-time solutions for a nonlinear heat equation with nonlocal diffusion, power nonlinearity and suitably small data (either compared pointwisely to the singular solution or in the norm of a critical Morrey…

Analysis of PDEs · Mathematics 2018-07-11 Piotr Biler , Dominika Pilarczyk

The boundary value problems for linear and nonlinear singular degenerate differential-operator equations are studied. We prove a well-posedeness of linear problem and optimal regularity result for the nonlinear problem which occur in fluid…

Analysis of PDEs · Mathematics 2017-07-06 Veli Shakhmurov

The existence of positive strong solutions to a homogeneous Dirichlet $p$-Laplacian problem, with reaction sum of a both singular at zero and highly discontinuous nonlinearity and of a discontinuous convection term, is established. Locality…

Analysis of PDEs · Mathematics 2026-03-17 Umberto Guarnotta , Salvatore A. Marano

We prove a compactness result with respect to $\Gamma$-convergence for a class of integral functionals which are expressed as a sum of a local and a non-local term. The main feature is that, under our hypotheses, the local part of the…

Analysis of PDEs · Mathematics 2022-12-23 Andrea Braides , Gianni Dal Maso

We improve a previous result about the local energy decay for the damped wave equation on R^d. The problem is governed by a Laplacian associated with a long range perturbation of the flat metric and a short range absorption index. Our…

Mathematical Physics · Physics 2016-04-06 Julien Royer

We consider a nonlinear Neumann problem driven by the $p$-Laplacian. In the reaction term we have the competing effects of a singular and a convection term. Using a topological approach based on the Leray-Schauder alternative principle…

Analysis of PDEs · Mathematics 2020-04-21 Nikolaos S. Papageorgiou , Vicenţiu D. Rădulescu , Dušan D. Repovš

In this paper, we prove the local uniqueness of an inverse problem arising in the nonstationary flow of a nonhomogeneous incompressible asymmetric fluid in a bounded domain with smooth boundary. The direct problem is an initial-boundary…

Analysis of PDEs · Mathematics 2014-12-17 Aníbal Coronel , Marko Rojas-Medar

In this paper, we show existence of \textit{continuums} of positive solutions for non-local quasilinear problems with strongly-singular reaction term on a bounded domain in $\mathbb{R}^N$ with $N \geq 2$. We approached non-autonomous and…

Analysis of PDEs · Mathematics 2018-11-14 Carlos Alberto Santos , Lais Santos , Pawan Kumar Mishra

In this work, we present a result on the local existence and uniqueness of solutions to nonlinear Partial Differential-Algebraic Equations (PDAEs). By applying established theoretical results, we identify the conditions that guarantee the…

Analysis of PDEs · Mathematics 2025-02-11 Seyyid Ali Benabdallah

This paper introduces the concept of renormalized solution for a general class of non-coercive nonlinear parabolic problems, including both singularities and unbounded lower order terms. We prove existence and uniqueness of renormalized…

Analysis of PDEs · Mathematics 2024-03-26 T. T. Dang , G. Orlandi