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Bounded smooth solutions of the Dirichlet and Neumann problems for a wide variety of quasilinear parabolic equations, including graphical anisotropic mean curvature flows, have gradient bounded in terms of oscillation and elapsed time.

Analysis of PDEs · Mathematics 2013-06-07 Ben Andrews , Julie Clutterbuck

We prove a class of modified paraboloid restriction estimates with a loss of angular derivatives for the full set of paraboloid restriction conjecture indices. This result generalizes the paraboloid restriction estimate in radial case from…

Analysis of PDEs · Mathematics 2019-06-12 Changxing Miao , Junyong Zhang , Jiqiang Zheng

We study how the smoothness of the initial datum and the free term affect the global regularity properties of solutions to the Dirichlet problem for the class of parabolic equations of $p(x,t)$-Laplace type %with nonlinear sources depending…

Analysis of PDEs · Mathematics 2024-07-30 Rakesh Arora , Sergey Shmarev

We are concerned with gradient estimates for solutions to a class of singular quasilinear parabolic equations with measure data, whose prototype is given by the parabolic $p$-Laplace equation $u_t-\Delta_p u=\mu$ with $p\in (1,2)$. The case…

Analysis of PDEs · Mathematics 2021-11-05 Hongjie Dong , Hanye Zhu

Let $(M^{n},g,e^{-\phi}dv)$ be a weighted Riemannian manifold evolving by geometric flow $\frac{\partial g}{\partial t}=2h(t),\,\,\,\frac{\partial \phi}{\partial t}=\Delta \phi$. In this paper, we obtain a series of space-time gradient…

Differential Geometry · Mathematics 2021-12-03 Shahroud Azami

We consider uniformly elliptic and parabolic second-order equations with bounded zeroth-order and bounded VMO leading coefficients and possibly growing first-order coefficients. We look for solutions which are summable to the $p$-th power…

Analysis of PDEs · Mathematics 2009-03-21 N. V. Krylov

Asymptotic expansions are derived for solutions of the parabolic cylinder and Weber differential equations. In addition the inhomogeneous versions of the equations are considered, for the case of polynomial forcing terms. The expansions…

Classical Analysis and ODEs · Mathematics 2021-03-02 T. M. Dunster

We propose a variational approach to solve Cauchy problems for parabolic equations and systems independently of regularity theory for solutions. This produces a universal and conceptually simple construction of fundamental solution…

Analysis of PDEs · Mathematics 2023-10-09 Pascal Auscher , Moritz Egert

Local and global weighted norm estimates involving Muckenhoupt weights are obtained for gradient of solutions to linear elliptic Dirichlet boundary value problems in divergence form over a Lipschitz domain $\Omega$. The gradient estimates…

Analysis of PDEs · Mathematics 2018-06-04 Karthik Adimurthi , Tadele Mengesha , Nguyen Cong Phuc

We consider nonlinear parabolic equations of the type $$ u_t - div a(x, t, Du)= f(x,t) on \Omega_T = \Omega\times (-T,0), $$ under standard growth conditions on $a$, with $f$ only assumed to be integrable. We prove general decay estimates…

Analysis of PDEs · Mathematics 2013-02-01 Paolo Baroni , Agnese Di Castro , Giampiero Palatucci

We deal with the regularity problem for linear, second order parabolic equations and systems in divergence form with measurable data over non-smooth domains, related to variational problems arising in the modeling of composite materials and…

Analysis of PDEs · Mathematics 2025-12-10 Sun-Sig Byun , Dian K. Palagachev , Lubomira G. Softova

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

We study the Krylov-Safonov type H\"older estimate and Harnack inequality for viscosity solutions satisfying a uniformly parabolic equation only where the gradient with respect to the space-time variables is large.

Analysis of PDEs · Mathematics 2014-09-18 Soojung Kim

We study doubly nonlinear parabolic equation arising from the gradient flow for p-Sobolev type inequality, referred as p-Sobolev flow from now on, which includes the classical Yamabe flow on a bounded domain in Euclidean space in the…

Analysis of PDEs · Mathematics 2021-03-30 Tuomo Kuusi , Masashi Misawa , Kenta Nakamura

This article is devoted to the study of several estimations for a positive solution to a nonlinear weighted parabolic equation on a weighted Riemannian manifold. We therefore derive new Li-Yau type and Hamilton type gradient estimates…

Analysis of PDEs · Mathematics 2023-03-27 Shyamal Kumar Hui , Abimbola Abolarinwa , Sujit Bhattacharyya

The key tool of this paper is a new Carleman estimate for an arbitrary parabolic operator of the second order for the case of reversed time data. This estimate works on an arbitrary time interval. On the other hand, the previously known…

Analysis of PDEs · Mathematics 2020-01-08 Michael V. Klibanov , Anatoly G. Yagola

We establish a spatial gradient maximum principle for classical solutions to the initial and Neumann boundary value problem of some quasilinear parabolic equations on smooth convex domains.

Analysis of PDEs · Mathematics 2016-05-17 Seonghak Kim

We prove the Lp,q-solvability of parabolic equations in divergence form with full lower-order terms. The coefficients and non-homogeneous terms belong to mixed Lebesgue spaces with the lowest integrability conditions. In particular, the…

Analysis of PDEs · Mathematics 2022-03-02 Doyoon Kim , Seungjin Ryu , Kwan Woo

We investigate weighted Sobolev regularity of weak solutions of non-homogeneous parabolic equations with singular divergence-free drifts. Assuming that the drifts satisfy some mild regularity conditions, we establish local weighted…

Analysis of PDEs · Mathematics 2017-01-03 Tuoc Phan

We obtain Sobolev regularity estimates for solutions of non-local parabolic equations with locally unbounded drift satisfying some minimal assumptions. These results yield Krylov bound for the corresponding Feller stable process as well as…

Analysis of PDEs · Mathematics 2024-05-15 Damir Kinzebulatov