Results 91 to 100 of about 472,112 (168)

Positive solutions for second-order boundary-value problems with phi-Laplacian

open access: yesElectronic Journal of Differential Equations, 2016
This article concerns the existence, localization and multiplicity of positive solutions for the boundary-value problem $$\displaylines{ \big(\phi(u') \big) '+f(t,u) =0, \cr u(0) - a u'(0) = u'(1)= 0, }$$ where $f:[0,1]\times \mathbb{R}_{+}\to ...
Diana-Raluca Herlea
doaj  

Free Boundary Regularity for Almost Every Solution to the Signorini Problem. [PDF]

open access: yesArch Ration Mech Anal, 2021
Fernández-Real X, Ros-Oton X.
europepmc   +1 more source

Parabolic Harnack inequality and estimates of Markov chains on graphs

open access: yes, 1999
On a graph, we give a characterization of a parabolic Harnack inequality and Gaussian estimates for reversible Markov chains by geometric properties (volume regularity and Poincaré inequality)
Delmotte, Thierry
core  

Harnack inequality for quasilinear elliptic equations with (p,q) growth conditions and absorption lower order term

open access: yesElectronic Journal of Differential Equations, 2018
In this article we study the quasilinear elliptic equation with absorption lower term $$ -\hbox{div} \Big(g(|\nabla u|)\frac{\nabla u}{|\nabla u|}\Big)+f(u)= 0, \quad u\geq 0.
Kateryna Buryachenko
doaj  

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