English
Related papers

Related papers: Quantitative unique continuation for real-valued s…

200 papers

In this article, we study the order of vanishing and a quantitative form of Landis' conjecture in the plane for solutions to second-order elliptic equations with variable coefficients and singular lower order terms. Precisely, we let $A$ be…

Analysis of PDEs · Mathematics 2018-06-12 Blair Davey , Jenn-Nan Wang

We investigate the quantitative unique continuation properties of real-valued solutions to planar Schr\"odinger equations with potential functions that exhibit pointwise decay at infinity. That is, for equations of the form $-\Delta u + V u…

Analysis of PDEs · Mathematics 2025-12-11 Blair Davey

In this article, we continue our investigation into the unique continuation properties of real-valued solutions to elliptic equations in the plane. More precisely, we make another step towards proving a quantitative version of Landis'…

Analysis of PDEs · Mathematics 2018-08-29 Blair Davey , Carlos Kenig , Jenn-Nan Wang

In this article, we investigate the quantitative unique continuation properties of real-valued solutions to elliptic equations in the plane. Under a general set of assumptions on the operator, we establish quantitative forms of Landis'…

Analysis of PDEs · Mathematics 2019-03-12 Blair Davey

We investigate the quantitative unique continuation properties of real-valued solutions to Schr\"odinger equations in the plane with potentials that exhibit growth at infinity. More precisely, for equations of the form $\Delta u - V u = 0$…

Analysis of PDEs · Mathematics 2023-05-10 Blair Davey

In this paper we derive quantitative uniqueness estimates at infinity for solutions to an elliptic equation with unbounded drift in the plane. More precisely, let $u$ be a real solution to $\Delta u+W\cdot\nabla u=0$ in ${\mathbf R}^2$,…

Analysis of PDEs · Mathematics 2014-07-08 Carlos Kenig , Jenn-Nan Wang

In this work, we study the Landis conjecture for second-order elliptic equations in the plane. Precisely, assume that $V\ge 0$ is a measurable real-valued function satisfying $\|V\|_{L^\infty({\mathbb R}^2)} \le 1$. Let $u$ be a real…

Analysis of PDEs · Mathematics 2015-10-19 Blair Davey , Carlos Kenig , Jenn-Nan Wang

In this article, we study the quantitative uniqueness of solutions to second order elliptic equations with singular lower order terms. We quantify the strong unique continuation property by estimating the maximal vanishing order of…

Analysis of PDEs · Mathematics 2017-05-24 Blair Davey , Jiuyi Zhu

We investigate the quantitative unique continuation properties of solutions to second-order elliptic equations with lower-order terms. In particular, we establish quantitative forms of the strong unique continuation property for solutions…

Analysis of PDEs · Mathematics 2025-11-11 Blair Davey

In this paper we prove a quantitative form of Landis' conjecture in the plane. Precisely, let $W(z)$ be a measurable real vector-valued function and $V(z)\ge 0$ be a real measurable scalar function, satisfying $\|W\|_{L^{\infty}({\mathbf…

Analysis of PDEs · Mathematics 2014-05-02 Carlos Kenig , Luis Silvestre , Jenn-Nan Wang

In this article, we investigate the quantitative unique continuation properties of complex-valued solutions to drift equations in the plane. We consider equations of the form $\Delta u + W \cdot \nabla u = 0$ in $\mathbb{R}^2$, where $W =…

Analysis of PDEs · Mathematics 2020-04-02 Blair Davey , Carlos Kenig , Jenn-Nan Wang

We investigate the quantitative unique continuation properties of solutions to second order elliptic equations with singular lower order terms. The main theorem presents a quantification of the strong unique continuation property for…

Analysis of PDEs · Mathematics 2019-03-12 Blair Davey

In this work, we investigate the quantitative estimates of the unique continuation property for solutions of an elliptic equation $\Delta u = V u + W_1 \cdot \nabla u + \hbox{div} (W_2 u)$ in an open, connected subset of $\mathbb{R}^d$,…

Analysis of PDEs · Mathematics 2024-12-02 Pedro Caro , Sylvain Ervedoza , Lotfi Thabouti

Consider a solution $u$ to $\Delta u +Vu=0$ on $\mathbb{R}^2$, where $V$ is real-valued, measurable and $|V|\leq 1$. If $|u(x)| \leq \exp(-C |x| \log^{1/2}|x|)$, $|x|>2$, where $C$ is a sufficiently large absolute constant, then $u\equiv…

Analysis of PDEs · Mathematics 2020-07-15 A. Logunov , E. Malinnikova , N. Nadirashvili , F. Nazarov

We give partial affirmative answers to Landis conjecture in all dimensions for two different types of linear, second order, elliptic operators in a domain $\Omega\subset \mathbb{R}^N$. In particular, we provide a sharp decay criterion that…

Analysis of PDEs · Mathematics 2024-05-21 Ujjal Das , Yehuda Pinchover

The so called Landis conjecture states that if a solution of the equation $$\Delta u+V(x)u=0$$ in an exterior domain decays faster than $e^{-\kappa|x|}$, for some $\kappa>\sqrt{\sup |V|}$, then it must be identically equal to $0$. This…

Analysis of PDEs · Mathematics 2020-10-15 Luca Rossi

In this paper, we focus on the quantitative unique continuation property of solutions to \begin{equation*} \Delta^2u=Vu, \end{equation*} where $V\in W^{1,\infty}$. We show that the maximal vanishing order of the solutions is not large than…

Analysis of PDEs · Mathematics 2023-09-14 Hairong Liu , Long Tian , Xiaoping Yang

In this article, we study the vanishing order of solutions to second order elliptic equations with singular lower order terms in the plane. In particular, we derive lower bounds for solutions on arbitrarily small balls in terms of the…

Analysis of PDEs · Mathematics 2017-04-04 Blair Davey , Jiuyi Zhu

In this paper we study quantitative uniqueness estimates of solutions to general second order elliptic equations with magnetic and electric potentials. We derive lower bounds of decay rate at infinity for any nontrivial solution under some…

Analysis of PDEs · Mathematics 2013-03-12 Ching-Lung Lin , Jenn-Nan Wang

We obtain a unique continuation result at infinity for fully nonlinear elliptic integro-differential operators of order 2s which satisfy the maximum and minimum principles in bounded subdomains, under the decay assumption $o(|x|^{-(N+2s)})$…

Analysis of PDEs · Mathematics 2025-01-03 Sebastián Flores Sepúlveda , Gabrielle Nornberg
‹ Prev 1 2 3 10 Next ›