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In this work we determine the second-order coefficient in a parabolic equation from the knowledge of a single final data. Under assumptions on the concentration of eigenvalues of the associated elliptic operator, and the initial state, we…

Analysis of PDEs · Mathematics 2020-05-19 Faouzi Triki

We study second order parabolic equations on Lipschitz domains subject to inhomogeneous Neumann (or, more generally, Robin) boundary conditions. We prove existence and uniqueness of weak solutions and their continuity up to the boundary of…

Analysis of PDEs · Mathematics 2011-09-01 Robin Nittka

In this paper, we study parabolic equations in divergence form with coefficients that are singular degenerate as some Muckenhoupt weight functions in one spatial variable. Under certain conditions, weighted reverse H\"{o}lder's inequalities…

Analysis of PDEs · Mathematics 2018-11-16 Hongjie Dong , Tuoc Phan

We investigate inverse problems in the determination of leading coefficients for nonlocal parabolic operators, by knowing the corresponding Cauchy data in the exterior space-time domain. The key contribution is that we reduce nonlocal…

Analysis of PDEs · Mathematics 2023-03-14 Ching-Lung Lin , Yi-Hsuan Lin , Gunther Uhlmann

This paper is about Holder and Lipschitz stability estimates and uniqueness theorems for some coefficient inverse problems and associated inverse source problems for a general linear parabolic equation of the second order with variable…

Mathematical Physics · Physics 2024-01-17 Michael V. Klibanov

We study local regularity properties of linear, non-uniformly parabolic finite-difference operators in divergence form related to the random conductance model on $\mathbb Z^d$. In particular, we provide an oscillation decay assuming only…

Probability · Mathematics 2020-09-25 Peter Bella , Mathias Schäffner

A general modulus of continuity is quantified for locally bounded, local, weak solutions to nonlocal parabolic equations, under a minimal tail condition. H\"older modulus of continuity is then deduced under a slightly stronger tail…

Analysis of PDEs · Mathematics 2024-01-04 Naian Liao

In this study, we investigate a mixed problem linked to a second-order parabolic equation, characterized by temporal dependencies and variable~coefficients, and constrained by non-local, non-self-adjoint boundary conditions. By defining…

Analysis of PDEs · Mathematics 2024-11-26 Yu. A. Mammadov , H. I. Ahmadov

In this paper, we prove the strong unique continuation property at the origin for solutions of the following scaling critical parabolic differential inequality \[ |\operatorname{div} (A(x,t) \nabla u) - u_t| \leq \frac{M}{|x|^{2}} |u|,\ \ \…

Analysis of PDEs · Mathematics 2022-06-28 Agnid Banerjee , Pritam Ganguly , Abhishek Ghosh

We consider a parabolic equation whose coefficients are Log-Lipschitz continuous in $t$ and Lipschitz continuous in $x$. Combining a recent conditional stability result with a well posed variational problem, we reconstruct the initial…

Analysis of PDEs · Mathematics 2024-06-25 Daniele Del Santo , Martino Prizzi

In this paper we prove uniqueness results for renormalized solutions to a class of nonlinear parabolic problems.

Analysis of PDEs · Mathematics 2011-11-28 Rosaria Di Nardo , Filomena Feo , Olivier Guibé

We establish partial regularity for vector-valued solutions to parabolic systems where the coefficients are possibly discontinuous with respect to (x,t). More precisely, we assume a VMO-condition with respect to the (x,t) and continuity…

Analysis of PDEs · Mathematics 2013-12-19 Taku Kanazawa

In this paper we investigate the improved Caccioppoli inequality and the reverse H\"{o}lder inequality for gradients of weak solutions to nonhomogeneous parabolic systems whose coefficients can be split into a complex-valued and bounded…

Analysis of PDEs · Mathematics 2025-03-03 Guoming Zhang

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 paper we are concerned with $L^p$-maximal parabolic regularity for abstract nonautonomous parabolic systems and their quasilinear counterpart in negative Sobolev spaces incorporating mixed boundary conditions. Our results are…

Analysis of PDEs · Mathematics 2023-12-22 Hannes Meinlschmidt

This work is devoted to the strong unique continuation problem for second order parabolic equations with nonsmooth coefficients. Introduction and bibliography have been revised.

Analysis of PDEs · Mathematics 2008-01-10 Herbert Koch , Daniel Tataru

This work investigates an inverse problem of determining the radiative coefficient in a degenerate parabolic equation from the final overspecified data. Being different from other inverse coefficient problems in which the principle…

Optimization and Control · Mathematics 2013-10-01 Zui-Cha Deng , Liu Yang

We investigate the quantitative uniqueness of solutions to parabolic equations with lower order terms on compact smooth manifolds. Quantitative uniqueness is a quantitative form of strong unique continuation property. We characterize…

Analysis of PDEs · Mathematics 2017-08-08 Jiuyi Zhu

Regularity of solutions is studied for backward stochastic parabolic Ito equations. An analog of the second energy inequality and the related existence theorem are obtained for domains with boundary.

Probability · Mathematics 2010-07-27 Nikolai Dokuchaev

We investigate the effect of frequency on the principal eigenvalue of a time-periodic parabolic operator with Dirichlet, Robin or Neumann boundary conditions. The monotonicity and asymptotic behaviors of the principal eigenvalue with…

Analysis of PDEs · Mathematics 2020-08-10 Shuang Liu , Yuan Lou , Rui Peng , Maolin Zhou