Results 71 to 80 of about 429 (89)

Regularity and uniqueness of the first eigenfunction for singular fully non linear operators [PDF]

open access: yesarXiv, 2009
In this article we prove that solutions of singular fully nonlinear partial differential equations are $C^{1,\beta}$. We also prove the simplicity of the principal eigenvalues for the Dirichlet Problem associated to these operators using that regularity, a strict comparison principle and Sard's theorem.
arxiv  

Faber-Krahn inequality for Robin problem involving p-Laplacian [PDF]

open access: yesarXiv, 2009
The eigenvalue problem for the p-Laplace operator with Robin boundary condition is considered in this paper. A Faber-Krahn type inequality is proved. More precisely, it is shown that amongst all the domains of fixed volume, the ball has the smallest first eigenvalue.
arxiv  

A Neumann eigenvalue problem for fully nonlinear operators [PDF]

open access: yesarXiv, 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. This study requires Lipschitz estimates up to the boundary that are interesting in their own rights.
arxiv  

Exponential decay of dispersion managed solitons for vanishing average dispersion [PDF]

open access: yesarXiv, 2010
We show that any $L^2$ solution of the Gabitov-Turitsyn equation describing dispersion managed solitons decay exponentially in space and frequency domains. This confirms in the affirmative Lushnikov's conjecture of exponential decay of dispersion managed solitons.
arxiv  

The interior transmission problem and bounds on transmission eigenvalues [PDF]

open access: yesarXiv, 2010
We study the interior transmission eigenvalue problem for sign-definite multiplicative perturbations of the Laplacian in a bounded domain. We show that all but finitely many complex transmission eigenvalues are confined to a parabolic neighborhood of the positive real axis.
arxiv  

Fractional Eigenvalues [PDF]

open access: yesarXiv, 2012
We study a non-local eigenvalue problem related to the fractional Sobolev spaces for large values of p and derive the limit equation as p goes to infinity. Its viscosity solutions have many interesting properties and the eigenvalues exhibit a strange behaviour.
arxiv  

Use of Sine Shaped High-Frequency Rhythmic Visual Stimuli Patterns for SSVEP Response Analysis and Fatigue Rate Evaluation in Normal Subjects. [PDF]

open access: yesFront Hum Neurosci, 2018
Keihani A   +7 more
europepmc   +1 more source

Temporin-SHf, a new type of phe-rich and hydrophobic ultrashort antimicrobial peptide. [PDF]

open access: yesJ Biol Chem, 2010
Abbassi F   +6 more
europepmc   +1 more source

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