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Related papers: Critical SQG in bounded domains

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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

We study Riesz means of the eigenvalues of the Heisenberg Laplacian with Dirichlet boundary conditions on bounded domains. We obtain an inequality with a sharp leading term and an additional lower order term, improving the result of Hanson…

Spectral Theory · Mathematics 2015-11-16 Hynek Kovarik , Bartosch Ruszkowski , Timo Weidl

In this paper, we study the following singular problem, under mixed Dirichlet-Neumann boundary conditions, and involving the fractional Laplacian \begin{equation*} \label{1} \begin{cases} (-\Delta)^{s}u = \lambda u^{-q} + u^{2^*_s-1}, \quad…

Analysis of PDEs · Mathematics 2023-11-07 Tuhina Mukherjee , Patrizia Pucci , Lovelesh Sharma

We obtain a fundamental gap estimate for classes of bounded domains with quantitative control on the boundary in a complete manifold with integral bounds on the negative part of the Ricci curvature. This extends the result of…

Differential Geometry · Mathematics 2021-09-24 Xavier Ramos Olivé , Christian Rose , Lili Wang , Guofang Wei

In this paper, we study the first eigenvalue of the Laplacian on doubly connected domains when Robin and Dirichlet conditions are imposed on the outer and the inner part of the boundary, respectively. We provide that the spherical shell…

Analysis of PDEs · Mathematics 2024-10-10 Nunzia Gavitone , Gianpaolo Piscitelli

We prove certain mixed-norm Strichartz estimates on manifolds with boundary. Using them we are able to prove new results for the critical and subcritical wave equation in 4-dimensions with Dirichlet or Neumann boundary conditions. We obtain…

Analysis of PDEs · Mathematics 2015-05-13 Matthew D. Blair , Hart F. Smith , Christopher D. Sogge

It is widely known that the spectrum of the Dirichlet Laplacian is stable under small perturbations of a domain, while in the case of the Neumann or mixed boundary conditions the spectrum may abruptly change. In this work we discuss an…

Spectral Theory · Mathematics 2023-02-09 Giuseppe Cardone , Andrii Khrabustovskyi

The goal of this paper is to develop some basic harmonic analysis tools for the Dirichlet Laplacian in the exterior domain associated to a smooth convex obstacle in dimensions $d\geq 3$. Specifically, we will discuss analogues of the…

Analysis of PDEs · Mathematics 2014-12-12 Rowan Killip , Monica Visan , Xiaoyi Zhang

In this paper we study some Schrodinger-Poisson type systems on a bounded domain, with Dirichlet boundary condition on both the variables.

Analysis of PDEs · Mathematics 2011-09-30 Antonio Azzollini , Pietro d'Avenia , Valeria Luisi

In this paper we prove the boundedness and H\"older continuity of quasilinear elliptic problems involving variable exponents for a homogeneous Dirichlet and a nonhomogeneous Neumann boundary condition, respectively. The novelty of our work…

Analysis of PDEs · Mathematics 2022-01-10 Ky Ho , Yun-Ho Kim , Patrick Winkert , Chao Zhang

We prove that the quintic Schrodinger equation with Dirichlet boundary conditions is locally well posed for H^{1}_{0} data on any smooth, non-trapping domain of R^3. The key ingredient is a smoothing effect in L^{5}_{x}L^{2}_{t} for the…

Analysis of PDEs · Mathematics 2015-05-13 Oana Ivanovici , Fabrice Planchon

We introduce the class of quasiconvex Lipschitz domains, which covers both $C^1$ and convex domains, to the study of boundary unique continuation for elliptic operators. In particular, we prove the upper bound of the size of nodal sets for…

Analysis of PDEs · Mathematics 2023-03-06 Jiuyi Zhu , Jinping Zhuge

We give large-time asymptotic estimates, both in uniform and $L^1$ norms, for solutions of the Dirichlet heat equation in the complement of a bounded open set of $\mathbb{R}^d$ satisfying certain technical assumptions. We always assume that…

Analysis of PDEs · Mathematics 2025-03-04 José A. Cañizo , Alejandro Gárriz , Fernando Quirós

In this work we construct global unique solutions of the dissipative Surface quasi-geostrophic equation ($\alpha$-SQG) that lose regularity instantly when there is super-critical fractional diffusion.

Analysis of PDEs · Mathematics 2024-09-27 Diego Córdoba , Luis Martínez-Zoroa

In this paper, we use a weighted isoperimetric inequality to give a lower bound on the first Dirichlet eigenvalue of the Laplacian on a bounded domain inside a Euclidean cone. Our bound is sharp, in that only sectors realize it. This result…

Analysis of PDEs · Mathematics 2016-02-02 Jesse Ratzkin

In this paper, we study the exterior problem for the maximal surface equation. We obtain the precise asymptotic behavior of the exterior solution at infinity. And we prove that the exterior Dirichlet problem is uniquely solvable given…

Analysis of PDEs · Mathematics 2020-01-17 Guanghao Hong , Yu Yuan

We study the Dirichlet problem for the stationary Schr\"odinger fractional Laplacian equation $(-\Delta)^s u + V u = f$ posed in bounded domain $ \Omega \subset \mathbb R^n$ with zero outside conditions. We consider general nonnegative…

Analysis of PDEs · Mathematics 2022-02-23 Jesús Ildefonso Díaz , David Gómez-Castro , Juan Luis Vázquez

We study the Dirichlet problem in Lipschitz domains and with boundary data in Besov spaces, for divergence form strongly elliptic systems of arbitrary order, with bounded, complex-valued coefficients. Our main result gives a sharp condition…

Analysis of PDEs · Mathematics 2007-05-23 Vladimir Maz'ya , Marius Mitrea , Tatyana Shaposhnikova

The 2D quasi-geostrophic (QG) equation is a two dimensional model of the 3D incompressible Euler equations. When dissipation is included in the model then solutions always exist if the dissipation's wave number dependence is super-linear.…

Analysis of PDEs · Mathematics 2007-05-23 P. Constantin , D. Cordoba , J. Wu

In this paper, we establish the well-posedness in energy space for the quintic energy critical wave inside a cylindrical convex domain $\Omega\subset\mathbb{R}^3$ with smooth boundary $\partial\Omega\neq\emptyset$. The key tools to prove…

Analysis of PDEs · Mathematics 2024-04-16 Meas Len