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Related papers: Regularity and existence for a mixed local-nonloca…

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This article proves the existence and regularity of weak solutions for a class of mixed local-nonlocal problems with singular nonlinearities. We examine both the purely singular problem and perturbed singular problems. A central…

Analysis of PDEs · Mathematics 2025-02-27 Sanjit Biswas , Prashanta Garain

This article establishes the existence of weak solutions for a class of mixed local-nonlocal problems with pure and perturbed singular nonlinearities. A key novelty is the treatment of variable singular exponents alongside measure-valued…

Analysis of PDEs · Mathematics 2025-07-08 Sanjit Biswas , Prashanta Garain

In this work, we address a parabolic problem featuring a potentially doubly nonlinear term, governed by a combination of local and nonlocal operators (see Problem P1 below). We first establish the local existence of weak energy solutions…

Analysis of PDEs · Mathematics 2026-04-07 Abdelhamid Gouasmia , Hichem Hajaiej , Kaushik Bal

We establish existence results for a class of mixed anisotropic and nonlocal $p$-Laplace equation with singular nonlinearities. We consider both constant and variable singular exponents. Our argument is based on an approximation method. To…

Analysis of PDEs · Mathematics 2023-03-28 Prashanta Garain , Wontae Kim , Juha Kinnunen

In this work, we study an elliptic problem involving an operator of mixed order with both local and nonlocal aspects, and in either the presence or the absence of a singular nonlinearity. We investigate existence or non-existence…

Analysis of PDEs · Mathematics 2021-11-15 Rakesh Arora , Vicentiu D. Radulescu

We consider mixed local and nonlocal quasilinear parabolic equations of $p$-Laplace type and discuss several regularity properties of weak solutions for such equations. More precisely, we establish local boundeness of weak subsolutions,…

Analysis of PDEs · Mathematics 2021-10-07 Prashanta Garain , Juha Kinnunen

In this paper, we study the solvability of a Cauchy- Dirichlet problem for nonlinear parabolic equation with non standard growths and nonlocal terms. We show the existence of weak solutions of the considered problem under more general…

Analysis of PDEs · Mathematics 2018-03-01 Ugur Sert , Eylem Ozturk

In this article, we prove the existence of at least two positive weak solutions for a mixed local-nonlocal singular problem in the presence of critical exponential nonlinearity in dimension two. The novelty of this work is the inclusion of…

Analysis of PDEs · Mathematics 2025-03-12 Sanjit Biswas

In this article, we consider a combination of local and nonlocal Laplace equation with singular nonlinearities. For such mixed problems, we establish existence of at least one weak solution for a parameter dependent singular nonlinearity…

Analysis of PDEs · Mathematics 2023-04-28 Prashanta Garain

In this paper, we prove the existence of weak, veryweak and duality solutions to a class of elliptic problems involving singularity and measure data which is given by: $-\Delta u+(-\Delta)^s u = \frac{f(x)}{u^\gamma} +\mu$ in $\Omega$ with…

Analysis of PDEs · Mathematics 2024-10-08 Souvik Bhowmick , Sekhar Ghosh

We investigate linear parabolic equations in divergence form with singular coefficients and non-smooth boundary data. When the diffusion, drift, or potential terms, as well as the initial or boundary conditions, are distributions rather…

Analysis of PDEs · Mathematics 2026-02-10 Arshyn Altybay , Alibek Yeskermessuly

We investigate a mixed local-nonlocal $p$-Laplace equation on the Heisenberg group, where the nonlinear term features a variable singular exponent. Our analysis establishes the existence, uniqueness, and regularity of weak solutions under…

Analysis of PDEs · Mathematics 2025-12-15 Prashanta Garain

We study the local behavior of weak solutions, with possible singularities, of nonlocal nonlinear equations. We first prove that sets of capacity zero are removable for weak solutions under certain integrability conditions. We then…

Analysis of PDEs · Mathematics 2025-07-09 Minhyun Kim , Se-Chan Lee

In this study, we investigate a mixed problem linked to a second-order parabolic equation, characterized by temporal dependencies and variable~coefficients, and constrained by non-local, non-self-adjoint boundary conditions. By defining…

Analysis of PDEs · Mathematics 2024-11-26 Yu. A. Mammadov , H. I. Ahmadov

In this article, we consider mixed local and nonlocal Sobolev $(q,p)$-inequalities with extremal in the case $0<q<1<p<\infty$. We prove that the extremal of such inequalities is unique up to a multiplicative constant that is associated with…

Analysis of PDEs · Mathematics 2021-06-09 Prashanta Garain , Alexander Ukhlov

In this article, we present the symmetry of weak solutions to a mixed local-nonlocal singular problem. We also establish results related to the existence, nonexistence, and regularity of weak solutions to a mixed local-nonlocal singular…

Analysis of PDEs · Mathematics 2025-06-09 Gurdev Chand Anthal , Prashanta Garain

In this paper, we study local regularity properties of minimizers of nonlocal variational functionals with variable exponents and weak solutions to the corresponding Euler--Lagrange equations. We show that weak solutions are locally bounded…

Analysis of PDEs · Mathematics 2021-07-21 Jamil Chaker , Minhyun Kim

The purpose of the article is to study the existence, regularity, stabilization and blow up results of weak solution to the following parabolic $(p,q)$-singular equation: \begin{equation*} (P_t)\; \left\{\begin{array}{rllll} u_t-\Delta_{p}u…

Analysis of PDEs · Mathematics 2020-08-27 Jacques Giacomoni , Deepak Kumar , K. Sreenadh

We prove continuity for bounded weak solutions of a nonlinear nonlocal parabolic type equation associated to a Dirichlet form with a rough kernel. The equation is allowed to be singular at the level zero, and solutions may change sign. If…

Analysis of PDEs · Mathematics 2017-10-09 Arturo de Pablo , Fernando Quirós , Ana Rodríguez

The work is devoted to the construction of the asymptotic behavior of the solution of a singularly perturbed system of equations of parabolic type, in the case when the limit equation has a regular singularity as the small parameter tends…

Analysis of PDEs · Mathematics 2020-09-17 Asan Omuraliev , Peiil Esengul Kyzy
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