Results 71 to 80 of about 159,057 (193)

A Neumann eigenvalue problem for fully nonlinear operators

open access: yes, 2010
In this paper we study the asymptotic behavior of the principal eigenvalues associated to the Pucci operator in bounded domain $\Omega$ with Neumann/Robin boundary condition i.e. $\partial_n u=\alpha u$ when $\alpha$ tends to infinity.
Birindelli, I., Patrizi, S.
core   +1 more source

Positive solutions and nonlinear multipoint conjugate eigenvalue problems

open access: yesElectronic Journal of Differential Equations, 1997
Values of $lambda$ are determined for which there exist solutions in a cone of the $n^{th}$ order nonlinear differential equation, $$u^{(n)} = lambda a(t) f(u),,quad 0 < t < 1,,$$ satisfying the multipoint boundary conditions, $$u^{(j)}(a_i) = 0,,quad ...
Paul W. Eloe, Johnny Henderson
doaj  

Computing the $\sin_{p}$ function via the inverse power method

open access: yes, 2010
In this paper, we discuss a new iterative method for computing $\sin_{p}$. This function was introduced by Lindqvist in connection with the unidimensional nonlinear Dirichlet eigenvalue problem for the $p$-Laplacian.
Biezuner, Rodney Josué   +2 more
core   +1 more source

On a nonhomogeneous quasilinear eigenvalue problem in Sobolev spaces with variable exponent [PDF]

open access: yes, 2006
We consider the nonlinear eigenvalue problem $-{\rm div}(|\nabla u|^{p(x)-2}\nabla u)=\lambda |u|^{q(x)-2}u$ in $\Omega$, $u=0$ on $\partial\Omega$, where $\Omega$ is a bounded open set in $\RR^N$ with smooth boundary and $p$, $q$ are continuous ...
Mihailescu, Mihai, Radulescu, Vicentiu
core   +1 more source

On Linear and Nonlinear Fourth-Order Eigenvalue Problems with Nonlocal Boundary Condition

open access: yesJournal of Function Spaces and Applications, 2013
We determine the principal eigenvalue of the linear problem ,  , , where and . Moreover, we investigate the existence of positive solutions for the corresponding nonlinear problem.
Dongming Yan
doaj   +1 more source

The fractional Cheeger problem

open access: yes, 2013
Given an open and bounded set $\Omega\subset\mathbb{R}^N$, we consider the problem of minimizing the ratio between the $s-$perimeter and the $N-$dimensional Lebesgue measure among subsets of $\Omega$.
Brasco, Lorenzo   +2 more
core   +4 more sources

Existence and uniqueness for a p-Laplacian nonlinear eigenvalue problem

open access: yesElectronic Journal of Differential Equations, 2010
We consider the Dirichlet eigenvalue problem $$ -mathop{ m div}(| abla u|^{p-2} abla u ) =lambda | u|_q^{p-q}|u|^{q-2}u, $$ where the unknowns $uin W^{1,p}_0(Omega )$ (the eigenfunction) and $lambda >0$ (the eigenvalue), $Omega $ is an arbitrary ...
Giovanni Franzina   +1 more
doaj  

Integrability, exact solutions and nonlinear dynamics of a nonisospectral integral-differential system

open access: yesOpen Physics, 2019
The investigations of integrability, exact solutions and dynamics of nonlinear partial differential equations (PDEs) are vital issues in nonlinear mathematical physics.
Xu Bo, Zhang Sheng
doaj   +1 more source

Global bifurcation result for the p-biharmonic operator

open access: yesElectronic Journal of Differential Equations, 2001
We prove that the nonlinear eigenvalue problem for the p-biharmonic operator with $p > 1$, and $Omega$ a bounded domain in $mathbb{R}^N$ with smooth boundary, has principal positive eigenvalue $lambda_1$ which is simple and isolated.
Pavel Drabek, Mitsuharu Otani
doaj  

Positive Solutions for Nonlinear Eigenvalue Problems

open access: yesJournal of Mathematical Analysis and Applications, 1997
The authors are concerned with determining values of \(\lambda\) (eigenvalues), for which there exist positive solutions of the boundary value problem \[ (1_\lambda)\quad u''+\lambda a(t)f(u)=0 ...
Henderson, Johnny, Wang, Haiyan
openaire   +1 more source

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