Results 11 to 20 of about 49 (41)

Stability estimate for the semi-discrete linearized Benjamin-Bona-Mahony equation

open access: yes, 2021
In this work we study the semi-discrete linearized Benjamin-Bona-Mahony equation (BBM) which is a model for propagation of one-dimensional, unidirectional, small amplitude long waves in non-linear dispersive media.
R. Lecaros, Jaime H. Ortega, A. Pérez
semanticscholar   +1 more source

The linear constraints in Poincaré and Korn type inequalities [PDF]

open access: yes, 2006
We investigate the character of the linear constraints which are needed for Poincaré and Korn type inequalities to hold. We especially analyze constraints which depend on restriction on subsets of positive measure and on the trace on a portion of the ...
G. Alessandrini, A. Morassi, E. Rosset
semanticscholar   +1 more source

A Critical Phenomenon for Sublinear Elliptic Equations in Cone‐Like Domains [PDF]

open access: yes, 2003
The authors of this paper study positive supersolutions to the elliptic equation ‐Δu = c|x|−sup in Cone‐like domains of RN (N ⩾ 2), where p, s ∈ R and c > 0.
V. Kondratiev   +3 more
semanticscholar   +1 more source

Global and blow-up solutions for quasilinear parabolic equations with a gradient term and nonlinear boundary flux

open access: yesJournal of Inequalities and Applications, 2014
This work is concerned with positive classical solutions for a quasilinear parabolic equation with a gradient term and nonlinear boundary flux. We find sufficient conditions for the existence of global and blow-up solutions.
Changjun Li, Lu Sun, Z. Fang
semanticscholar   +2 more sources

A Liouville theorem for a class of superlinear elliptic equations on cones

open access: yes, 2002
We give sufficient conditions for non-existence of positive solutions of the equation Δu + a(x)u + b(x)up = 0 on a cone of Rn We further analyze the existence of positive solutions in the radial, subcritical case, and show that under suitable conditions ...
Marco Rigoli   +3 more
core   +1 more source
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GENERALIZED MAXIMUM PRINCIPLES FOR SOME DIFFERENTIAL INEQUALITIES WITH APPLICATIONS

Far East Journal of Mathematical Sciences (FJMS), 2018
In this paper we consider several types of differential equations and discuss the maximum principle for them. In general, the maximum principle tells us that the maximum value of the function, which is a solution of a differential equation, is attained ...
M. Almahameed
semanticscholar   +1 more source

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