Well-posedness for local and nonlocal quasilinear evolution equations in fluids and geometry

K Chen, R Hu, QH Nguyen - arXiv preprint arXiv:2407.05313, 2024 - arxiv.org
We establish a Schauder-type estimate for general local and non-local linear parabolic
system $$\partial_tu+\mathbf {L} _su=\Lambda^\gamma f+ g $$ in $(0,\infty)\times\mathbb …

Global stability for solutions to the exponential PDE describing epitaxial growth

JG Liu, R Strain - Interfaces and Free Boundaries, 2019 - ems.press
In this paper we prove the global existence, uniqueness, optimal large time decay rates, and
uniform gain of analyticity for the exponential PDE ht D eh in the whole space Rd x. We …

Existence theorems for a multidimensional crystal surface model

JG Liu, X Xu - SIAM Journal on Mathematical Analysis, 2016 - SIAM
In this paper we study the existence assertion of the initial boundary value problem for the
equation ∂u∂t=Δe^-Δu. This problem arises in the mathematical description of the …

Gradient flow approach to an exponential thin film equation: global existence and latent singularity

Y Gao, JG Liu, XY Lu - ESAIM: Control, Optimisation and Calculus of …, 2019 - esaim-cocv.org
In this work, we study a fourth order exponential equation, ut= Δe− Δu derived from thin film
growth on crystal surface in multiple space dimensions. We use the gradient flow method in …

Global existence and decay to equilibrium for some crystal surface models

R Granero-Belinchón, M Magliocca - arXiv preprint arXiv:1804.09645, 2018 - arxiv.org
In this paper we study the large time behavior of the solutions to the following nonlinear
fourth-order equations $$\partial_t u=\Delta e^{-\Delta u}, $$$$\partial_t u=-u^ 2\Delta^ 2 (u …

Asymmetry in crystal facet dynamics of homoepitaxy by a continuum model

JG Liu, J Lu, D Margetis, JL Marzuola - Physica D: Nonlinear Phenomena, 2019 - Elsevier
In the absence of external material deposition, crystal surfaces usually relax to become flat
by decreasing their free energy. We study analytically an asymmetry in the relaxation of …

The radius of analyticity for solutions to a problem in epitaxial growth on the torus

DM Ambrose - Bulletin of the London Mathematical Society, 2019 - Wiley Online Library
A certain model for epitaxial film growth has recently attracted attention, with the existence of
small global solutions having been proved in both the case of the n‐dimensional torus and …

Analysis of a continuum theory for broken bond crystal surface models with evaporation and deposition effects

Y Gao, JG Liu, J Lu, JL Marzuola - Nonlinearity, 2020 - iopscience.iop.org
We study a 4th order degenerate parabolic PDE model in one-dimension with a 2nd order
correction modeling the evolution of a crystal surface under the influence of both thermal …

[HTML][HTML] Global strong solution with BV derivatives to singular solid-on-solid model with exponential nonlinearity

Y Gao - Journal of Differential Equations, 2019 - Elsevier
In this work, we consider the one dimensional very singular fourth-order equation for solid-
on-solid model in attachment-detachment-limit regime with exponential nonlinearity …

Existence Theorems for a Crystal Surface Model Involving the -Laplace Operator

X Xu - SIAM Journal on Mathematical Analysis, 2018 - SIAM
The manufacturing of crystal films lies at the heart of modern nanotechnology. How to
accurately predict the motion of a crystal surface is of fundamental importance. Many …