English
Related papers

Related papers: Boundary Value Problems for harmonic functions on …

200 papers

We study boundary value problems for the Laplacian on a domain $\Omega$ consisting of the left half of the Sierpinski Gasket ($SG$), whose boundary is essentially a countable set of points $X$. For harmonic functions we give an explicit…

Analysis of PDEs · Mathematics 2017-02-14 Weilin Li , Robert S. Strichartz

For a family of domains in the Sierpinski gasket, we study harmonic functions of finite energy, characterizing them in terms of their boundary values, and study their normal derivatives on the boundary. We characterize those domains for…

Functional Analysis · Mathematics 2013-10-25 Zijian Guo , Hua Qiu , Robert S. Strichartz

We study the boundary value problems for harmonic functions on open connected subsets of post-critically finite (p.c.f.) self-similar sets, on which the Laplacian is defined through a strongly recurrent self-similar local regular Dirichlet…

Functional Analysis · Mathematics 2024-09-04 Qingsong Gu , Hua Qiu

In this paper we study a system of boundary value problems involving weak p-Laplacian on the Sierpi\'nski gasket in $\mathbb{R}^2$. Parameters $\lambda, \gamma, \alpha, \beta$ are real and $1<q<p<\alpha+\beta.$ Functions $a,b,h :…

Analysis of PDEs · Mathematics 2018-07-19 Abhilash Sahu , Amit Priyadarshi

In this paper, we have obtained bounds for the box dimension of graph of harmonic function on the Sierpi\'nski gasket. Also we get upper and lower bounds for the box dimension of graph of functions that belongs to $\text{dom}(\mathcal{E}),$…

Metric Geometry · Mathematics 2018-09-26 Abhilash Sahu , Amit Priyadarshi

Elliptic integral-differential operators resembling the classical elliptic partial differential equations are defined over a compact d-dimensional p-adic domain together with associated Sobolev spaces relying on coordinate Vladimirov-type…

Analysis of PDEs · Mathematics 2025-04-10 Patrick Erik Bradley

A bosonic Laplacian is a conformally invariant second order differential operator acting on smooth functions defined on domains in Euclidean space and taking values in higher order irreducible representations of the special orthogonal…

Mathematical Physics · Physics 2020-05-25 Chao Ding , Phuoc-Tai Nguyen , John Ryan

We study energy measures on SG based on harmonic functions. We characterize the positive energy measures through studying the bounds of Radon-Nikodym derivatives with respect to the Kusuoka measure. We prove a limited continuity of the…

Analysis of PDEs · Mathematics 2013-09-25 Renee Bell , Ching-Wei Ho , Robert S. Strichartz

We study elliptic and parabolic boundary value problems in spaces of mixed scales with mixed smoothness on the half space. The aim is to solve boundary value problems with boundary data of negative regularity and to describe the…

Analysis of PDEs · Mathematics 2021-05-27 Felix Hummel

In this paper, we establish an analogue of the classical mean value property for both the harmonic functions and some general functions in the domain of the Laplacian on the Sierpinski gasket. Furthermore, we extend the result to some other…

Classical Analysis and ODEs · Mathematics 2013-05-17 Hua Qiu , Robert S. Strichartz

In this paper we study the following boundary value problem involving the weak p-Laplacian. \begin{equation*} \quad -M(\|u\|_{\mathcal{E}_p}^p)\Delta_p u = h(x,u) \; \text{in}\; \mathcal{S}\setminus\mathcal{S}_0; \quad u = 0 \; \mbox{on}\;…

Analysis of PDEs · Mathematics 2018-07-19 Abhilash Sahu , Amit Priyadarshi

The restrictions of a harmonic function on the Sierpinski Gasket (SG) to the segments in SG have been of some interest. We show that the sufficient conditions for the monotonicity of these restrictions given by Dalrymple, Strichartz and…

Dynamical Systems · Mathematics 2007-05-23 B. Demir , V. Dzhafarov , S. Kocak , M. Ureyen

In this paper we study elliptic and parabolic boundary value problems with inhomogeneous boundary conditions in weighted function spaces of Sobolev, Bessel potential, Besov and Triebel-Lizorkin type. As one of the main results, we solve the…

Analysis of PDEs · Mathematics 2021-05-17 Felix Hummel , Nick Lindemulder

The purpose of this paper is to solve a kind of Riemann-Hilbert boundary value problem for $(\varphi,\psi)$-harmonic functions, which are linked with the use of two orthogonal basis of the Euclidean space $\mathbb{R}^m$. We approach this…

Analysis of PDEs · Mathematics 2020-05-19 José Luis Serrano Ricardo , Ricardo Abreu Blaya , Juan Bory Reyes , Jorge Sánchez Ortiz

We study boundary value problems for bounded uniform domains in $\mathbb{R}^n$, $n\geq 2$, with non-Lipschitz (and possibly fractal) boundaries. We prove Poincar\'e inequalities with trace terms and uniform constants for uniform…

Analysis of PDEs · Mathematics 2024-10-01 Michael Hinz , Anna Rozanova-Pierrat , Alexander Teplyaev

We study properties of pseudodifferential operators which arise in their use in boundary value problems. Smooth domains as well as intersections of smooth domains are considered.

Complex Variables · Mathematics 2022-05-03 Dariush Ehsani

Consider positive solutions to second order elliptic equations with measurable coefficients in a bounded domain, which vanish on a portion of the boundary. We give simple necessary and sufficient geometric conditions on the domain, which…

Analysis of PDEs · Mathematics 2008-10-03 Mikhail V. Safonov

This paper considers to the problems of diffraction of electromagnetic waves on a half-plane, which has a finite inclusion in the form of a Lipschitz curve. The diffraction problem formulated as boundary value problem for Helmholtz…

Mathematical Physics · Physics 2018-03-06 E. Lipachev

We develop a new approach to the invertibility of the layer potentials on $L^p$ associated with elliptic equations and systems in Lipschitz domains. As a consequence, for $n\ge 4$ and $(2(n-1)/(n+1))-\epsilon<p<2$, we obtain the solvability…

Analysis of PDEs · Mathematics 2007-05-23 Zhongwei Shen

There has been much recent attention on $h$-functions, so named since they describe the distribution of harmonic measure for a given multiply connected domain with respect to some basepoint. In this paper, we focus on a closely related…

Complex Variables · Mathematics 2025-09-01 Christopher C. Green , Mohamed M S Nasser
‹ Prev 1 2 3 10 Next ›