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The two scale convergence of the solution to a Robin's type-like problem of a stationary diffusion problem in a periodically perforated domain is investigated. It is shown that the Robin's problem converges to a problem associated to a new…

Analysis of PDEs · Mathematics 2008-11-08 Abdelhamid Ainouz

In this paper, the existence of smooth positive solutions to a Robin boundary-value problem with non-homogeneous differential operator and reaction given by a nonlinear convection term plus a singular one is established. Proofs chiefly…

Analysis of PDEs · Mathematics 2019-09-24 Umberto Guarnotta , Salvatore A. Marano , Dumitru Motreanu

For a linear, strictly elliptic second order differential operator in divergence form with bounded, measurable coefficients on a Lipschitz domain $\Omega$ we show that solutions of the corresponding elliptic problem with Robin and thus in…

Analysis of PDEs · Mathematics 2011-06-08 Robin Nittka

In this paper, I derive the limiting behaviour of the solutions to Poisson's equation, in a perforated domain, subject to inhomogeneous Robin boundary conditions. In the first half of the paper, I derive a generalised limit for non-periodic…

Analysis of PDEs · Mathematics 2022-10-04 Aaron Pim

We derive a simple criterion that ensures uniqueness, Lipschitz stability and global convergence of Newton's method for the finite dimensional zero-finding problem of a continuously differentiable, pointwise convex and monotonic function.…

Numerical Analysis · Mathematics 2022-12-13 Bastian Harrach

We investigate an inverse Robin spectral problem for the $p$-Laplace operator on a bounded domain with mixed Dirichlet-Robin boundary conditions. The aim is to identify an unknown Robin coefficient on an inaccessible boundary portion from…

Analysis of PDEs · Mathematics 2026-03-10 Farid Bozorgnia , Olimjon Eshkobilov

The paper considers a distributed robust estimation problem over a network with directed topology involving continuous time observers. While measurements are available to the observers continuously, the nodes interact according to a…

Optimization and Control · Mathematics 2014-01-09 V. Ugrinovskii , E. Fridman

In this paper we address the uniqueness issue in the classical Robin inverse problem on a Lipschitz domain $\Omega\subset\RR^n$, with $L^\infty$ Robin coefficient, $L^2$ Neumann data and isotropic conductivity of class $W^{1,r}(\Omega)$,…

Analysis of PDEs · Mathematics 2016-02-12 Laurent Baratchart , Laurent Bourgeois , Juliette Leblond

Condition imposed on the nonlinear terms of a nonlinear diffusion equation with {R}obin boundary condition is the main focus of this paper. The degenerate parabolic equations, such as the {S}tefan problem, the {H}ele--{S}haw problem, the…

Analysis of PDEs · Mathematics 2018-02-09 Taishi Motoda , Takeshi Fukao

We study for the first time a two-phase free boundary problem in which the solution satisfies a Robin boundary condition. We consider the case in which the solution is continuous across the free boundary and we prove an existence and a…

Analysis of PDEs · Mathematics 2020-10-20 Serena Guarino Lo Bianco , Domenico Angelo La Manna , Bozhidar Velichkov

We analyze bound states of Robin Laplacian in infinite planar domains with a smooth boundary, in particular, their relations to the geometry of the latter. The domains considered have locally straight boundary being, for instance, locally…

Mathematical Physics · Physics 2019-12-10 Pavel Exner , Alexander Minakov

This paper investigates the heat equation on a bounded domain with a Robin boundary condition, where the reactivity parameter (or killing rate) is modeled as a continuous-time Markov chain. We analyze the system under two stochastic…

Probability · Mathematics 2026-05-01 Fausto Colantoni

We consider Laplace's equation in a periodically perforated domain with Robin boundary conditions on the holes, where the Robin coefficient is scaled proportionally to the inverse total surface area of the performations. We identify a…

Analysis of PDEs · Mathematics 2026-05-06 Giacomo Canevari , Kirill Cherednichenko , Arghir Zarnescu

We study a Robin boundary problem for degenerate parabolic equation. We suggest a notion of entropy solution and propose a result of existence and uniqueness. Numerical simulations illustrate some aspects of solution behaviour.…

Analysis of PDEs · Mathematics 2014-03-11 Mohamed Karimou Gazibo

We investigate the long term behavior in terms of finite dimensional global and exponential attractors, as time goes to infinity, of solutions to a semilinear reaction-diffusion equation on non-smooth domains subject to nonlocal Robin…

Dynamical Systems · Mathematics 2016-07-20 Ciprian G. Gal , Mahamadi Warma

We study the spectral flow of Landau-Robin hamiltonians in the exterior of a compact domain with smooth boundary. This provides a method to study the spectrum of the exterior Landau-Robin hamiltonian's dependence on the choice of Robin…

Spectral Theory · Mathematics 2017-10-17 Magnus Goffeng , Elmar Schrohe

We investigate the Robin eigenvalue problem for the Laplacian with negative boundary parameter on quadrilateral domains of fixed area. In this paper, we prove that the square is a local maximiser of the first eigenvalue with respect to the…

Analysis of PDEs · Mathematics 2023-09-14 Julie Clutterbuck , James Larsen-Scott

We prove an improved Pleijel nodal domain theorem for the Robin eigenvalue problem. In particular we remove the restriction, imposed in previous work, that the Robin parameter be non-negative. We also improve the upper bound in the…

Analysis of PDEs · Mathematics 2024-03-06 Asma Hassannezhad , David Sher

We assume that $\Omega_1, \Omega_2 \subset \mathbb{R}^{n+1}$, $n \geq 1$ are two disjoint domains whose complements satisfy the capacity density condition and the intersection of their boundaries $F$ has positive harmonic measure. Then we…

Analysis of PDEs · Mathematics 2020-02-04 Jonas Azzam , Mihalis Mourgoglou , Xavier Tolsa

We show strong uniform convergence of monotone P1 finite element methods to the viscosity solution of isotropic parabolic Hamilton-Jacobi-Bellman equations with mixed boundary conditions on unstructured meshes and for possibly degenerate…

Numerical Analysis · Mathematics 2021-05-21 Bartosz Jaroszkowski , Max Jensen
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