Results 51 to 60 of about 190 (133)

Quasilinear biharmonic equations on R^4 with exponential subcritical growth

open access: yes
This article studies the fourth-order equationΔ2u−Δu+V(x)u−12uΔ(u2)=f(x,u)in R4,u∈H2(R4),Δ2u−Δu+V(x)u−12uΔ(u2)=f(x,u)in R4,u∈H2(R4),where Δ2:=Δ(Δ)Δ2:=Δ(Δ) is the biharmonic operator, V∈C(R4,R)V∈C(R4,R) and  f∈C(R4×R,R)f∈C(R4×R,R) are allowed to  be sign ...
Farias de Souza Filho, Antonio P.
core   +1 more source

Nonexistence results for a time-fractional biharmonic diffusion equation

open access: yes
We consider weak solutions of the nonlinear time-fractional biharmonic diffusion equation ∂ t α u + ∂ t β u + u x x x x = h ( t , x ) | u | p $\partial _{t}^{\alpha }u+\partial _{t}^{\beta }u+u_{xxxx}=h(t,x)|u|^{p}$ in ( 0 , ∞ ) × ( 0 , 1 ) $(0,\infty ...
Bessem Samet, Mohamed Jleli
core   +1 more source

Numerical methods for ordinary differential equations with applications to partial differential equations

open access: yes, 1983
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The thesis develops a number of algorithms for the numerical solution of ordinary differential equations with applications to partial differential equations.
Khaliq, Abdul Qayyum Masud
core  

$L^P$-Estimates And Polyharmonic Boundary Value Problems On The Sierpinski Gasket And Gaussian Free Fields On High Dimensional Sierpinski Carpet Graphs [PDF]

open access: yes, 2014
We define a suitable trace space on the set X halving the Sierpinski Gasket, then we prove Lp -estimates for p > 1 for the restriction operator on domLp [INCREMENT](SG). We also construct a right inverse to the restriction operator, that is the extension
Ugurcan, Baris
core  

Forced and spontaneous symmetry breaking in cell polarization. [PDF]

open access: yesNat Comput Sci, 2022
Miller PW   +4 more
europepmc   +1 more source

A class of alternate strip-based domain decomposition methods for elliptic partial differential Equations [PDF]

open access: yes, 2005
The domain decomposition strategies proposed in this thesis are efficient preconditioning techniques with good parallelism properties for the discrete systems which arise from the finite element approximation of symmetric elliptic boundary value problems
Mihai, Loredana Angela
core  

Eigenvalues for a class of singular problems involving p(x)-Biharmonic operator and q(x)-Hardy potential

open access: yes, 2019
In this paper, we consider the nonlinear eigenvalue ...
Khalil Abdelouahed El   +3 more
core   +1 more source

Elliptic Operators with Unbounded Coefficients

open access: yes, 2017
2015 - 2016Aim of this manuscript is to give generation results and some Hardy inequalities concerning elliptic operators with unbounded coefficients of the form Au = div(aDu) + F ·Du + V u where V is a real valued function, a(x) = (akl(x)) is symmetric ...
Gregorio, Federica
core   +1 more source

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