Results 41 to 50 of about 114 (65)

On the Cauchy problem for a semilinear fractional elliptic equation [PDF]

open access: yes, 2018
We study, for the first time in the literature on the subject, the Cauchy problem for a semilinear fractional elliptic equation. Under an a priori assumption on the solution, we propose the Fourier truncation method for stabilizing the ill-posed problem.
Lesnic, D, Triet, NA, Tuan, NH, Xuan, TD
core   +1 more source

Advection-diffusion equations with random coefficients on evolving hypersurfaces [PDF]

open access: yes, 2017
We present the analysis of advection-diffusion equations with random coefficients on moving hypersurfaces. We define weak and strong material derivative, that take into account also the spacial movement.
Djurdjevac, A.
core   +1 more source

A new stability results for the backward heat equation

open access: yes, 2009
In this paper, we regularize the nonlinear inverse time heat problem in the unbounded region by Fourier method. Some new convergence rates are obtained.
Dinh, Alain Pham Ngoc   +3 more
core  

Strong maximum principles for infinite implicit parabolic systems [PDF]

open access: yes, 2014
In this paper we prove a theorem on strong maximum principles for infinite implicit systems of parabolic differential-functional inequalities together with nonlocal inequalities with functionals in (n + 1)-dimensional sets more general than the ...
Byszewski, Ludwik
core   +1 more source

Recovering the initial distribution for strongly damped wave equation [PDF]

open access: yes, 2017
We study for the first time the inverse backward problem for the strongly damped wave equation. First, we show that the problem is severely ill-posed in the sense of Hadamard.
Au, VV, Lesnic, D, Nguyen, DV, Tuan, NH
core   +1 more source

Exact Traveling Wave Solutions of Nonlinear PDEs in Mathematical Physics Using the Modified Simple Equation Method [PDF]

open access: yes, 2013
In this article, we apply the modified simple equation method to find the exact solutions with parameters of the (1+1)-dimensional nonlinear Burgers-Huxley equation, the (2+1) dimensional cubic nonlinear Klein-Gordon equation and the (2+1)-dimensional ...
Arnous, A. H., E. Zayed, E. M.
core   +1 more source

The two-scale approach to hydrodynamic limits for non-reversible dynamics

open access: yes, 2015
In a recent paper by Grunewald et.al., a new method to study hydrodynamic limits was developed for reversible dynamics. In this work, we generalize this method to a family of non-reversible dynamics.
Duong, Manh Hong, Fathi, Max
core  

Harnack's Inequality for Parabolic De Giorgi Classes in Metric Spaces

open access: yes, 2012
In this paper we study problems related to parabolic partial differential equations in metric measure spaces equipped with a doubling measure and supporting a Poincare' inequality.
Kinnunen, J.   +3 more
core  

An improved stability result for a heat equation backward in time with nonlinear source [PDF]

open access: yes, 2012
We consider a nonlinear backward heat conduction problem in a strip. The problem is ill-posed in the sense that the solution (if it exists) does not depend continuously on the data.
Nguyen Huy Tuan, Pham Hoang Quan
core   +1 more source

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