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In this paper, a quantitative estimate of unique continuation for the stochastic heat equation with bounded potentials on the whole Euclidean space is established. This paper generalizes the earlier results in [29] and [17] from a bounded…

Analysis of PDEs · Mathematics 2024-02-21 Yuanhang Liu , Donghui Yang , Xingwu Zeng , Can Zhang

We establish a unique continuation property for stochastic heat equations evolving in a bounded domain $G$. Our result shows that the value of the solution can be determined uniquely by means of its value on an arbitrary open subdomain of…

Analysis of PDEs · Mathematics 2014-05-06 Qi Lu , Zhongqi Yin

We prove an inequality of H\"older type traducing the unique continuation property at one time for the heat equation with a potential and Neumann boundary condition. The main feature of the proof is to overcome the propagation of smallness…

Analysis of PDEs · Mathematics 2021-05-28 Rémi Buffe , Kim Dang Phung

We study quantitative unique continuation for second order elliptic equations with lower-order terms of H\"older regularity via a weighted frequency function method. We establish quantitative three-ball inequalities and corresponding…

Analysis of PDEs · Mathematics 2026-03-24 Long Teng , Zhiwei Wang , 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 describe some recent works on quantitative unique continuation for elliptic, parabolic and dispersive equations. The elliptic results are joint work with J.Bourgain, while the remainder of the works discussed are joint…

Analysis of PDEs · Mathematics 2008-10-07 Carlos E. Kenig

In this paper, we establish a globally quantitative estimate of unique continuation at one time point for solutions of parabolic equations with Neumann boundary conditions in bounded domains. Our proof is mainly based on Carleman commutator…

Analysis of PDEs · Mathematics 2022-02-22 Yueliang Duan , Lijuan Wang , Can Zhang

In this work we consider the computational approximation of a unique continuation problem for the Helmholtz equation using a stabilized finite element method. First conditional stability estimates are derived for which, under a convexity…

Numerical Analysis · Mathematics 2018-10-29 Erik Burman , Mihai Nechita , Lauri Oksanen

Asymptotic behavior of solutions to heat equations with spatially singular inverse-square potentials is studied. By combining a parabolic Almgren type monotonicity formula with blow-up methods, we evaluate the exact behavior near the…

Analysis of PDEs · Mathematics 2010-02-19 Veronica Felli , Ana Primo

In this paper we investigate on a new strategy combining the logarithmic convexity (or frequency function) and the Carleman commutator to obtain an observation estimate at one time for the heat equation in a bounded domain. We also consider…

Analysis of PDEs · Mathematics 2018-02-19 Kim Dang Phung

The goal of this paper is to prove a uniqueness result for a stochastic heat equation with a randomly perturbed potential, which can be considered as a variant of Hardy's uncertainty principle for stochastic heat evolutions.

Analysis of PDEs · Mathematics 2016-05-06 Aingeru Fernández-Bertolin , Jie Zhong

We study the existence and regularity of solutions to the Cauchy problem for the inhomogeneous heat equation on compact Riemannian manifolds with conical singularities. We introduce weighted H\"older and Sobolev spaces with discrete…

Analysis of PDEs · Mathematics 2014-01-23 Tapio Behrndt

In this paper, we study the heat equation with an irregular spatially dependent thermal conductivity coefficient. We prove that it has a solution in an appropriate very weak sense. Moreover, the uniqueness result and consistency with the…

Analysis of PDEs · Mathematics 2023-02-21 Michael Ruzhansky , Mohammed Elamine Sebih , Niyaz Tokmagambetov

In this paper, we derive a local unique continuation property for stochastic hyperbolic equations without boundary conditions. This result is proved by a global Carleman estimate.

Analysis of PDEs · Mathematics 2018-01-03 Qi Lu , Zhongqi Yin

We derive localized and global noncompact versions of Hamilton's gradient estimate for positive solutions to the heat equation on Riemannian manifolds with Ricci curvature bounded below. Our estimates are essentially optimal and…

Analysis of PDEs · Mathematics 2025-07-17 Loth Damagui Chabi , Philippe Souplet

Asymptotics of solutions to relativistic fractional elliptic equations with Hardy type potentials is established in this paper. As a consequence, unique continuation properties are obtained.

Analysis of PDEs · Mathematics 2015-09-23 Mouhamed Moustapha Fall , Veronica Felli

We study the quantitative unique continuation on the boundary for solutions of elliptic equations with Neumann boundary conditions for bounded potentials and boundary potentials on compact manifolds with boundary. The boundary doubling…

Analysis of PDEs · Mathematics 2024-09-24 Jack Dalberg , Jiuyi Zhu

Asymptotics of solutions to fractional elliptic equations with Hardy type potentials is studied in this paper. By using an Almgren type monotonicity formula, separation of variables, and blow-up arguments, we describe the exact behavior…

Analysis of PDEs · Mathematics 2013-07-16 Mouhamed Moustapha Fall , Veronica Felli

This article is concerned with the unique continuation property of a forward differential inequality abstracted from parabolic equations proposed on a convex domain $\Omega$ prescribed with some regularity and growth conditions. Our result…

Optimization and Control · Mathematics 2020-01-08 Guojie Zheng , Dihong Xu , Taige Wang

A classification of local asymptotic profiles and strong unique continuation properties are established for a class of fractional heat equations with a Hardy-type potential, via an Almgren-Poon monotonicity formula combined with a blow-up…

Analysis of PDEs · Mathematics 2022-12-13 Veronica Felli , Ana Primo , Giovanni Siclari
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