نتایج جستجو برای: p laplacian operator

تعداد نتایج: 1361146  

Journal: :J. Applied Mathematics 2012
Hua Su Lishan Liu Xinjun Wang

Let T be a time scale. We study the existence of positive solutions for the higher-order p-Laplacian dynamic delay differential equations on time scales. By using the fixed-point index theory, the existence of positive solution and many positive solutions for nonlinear four-point singular boundary value problem with p-Laplacian operator are obtained. Mathematics Subject Classification: 34B16, 3...

Journal: :Applied Mathematics and Computation 2014
Wei Dong Jiafa Xu

Keywords: Dirichlet boundary value problem p-Laplacian Topological degree theory Critical point theory Weak solution a b s t r a c t In this work, by virtue of topological degree theory and critical point theory, we are mainly concerned with the existence of weak solutions for a Dirichlet boundary value problem with the p-Laplacian operator.

2014
Xiangbing Zhou Fuyi Xu

Differential equations of fractional order have been recently proved to be valuable tools in the modeling of many phenomena arising from science and engineering, such as viscoelasticity, electrochemistry, control, porous media, and electromagnetism. For detail, see the monographs of Kilbas et al. [1],Miller and Ross [2], and Podlubny [3] and the papers [4–23] and the references therein. In [16]...

2006
FABRIZIO CUCCU BEHROUZ EMAMIZADEH GIOVANNI PORRU

This paper concerns an optimization problem related to the Poisson equation for the p-Laplace operator, subject to homogeneous Dirichlet boundary conditions. Physically the Poisson equation models, for example, the deformation of a nonlinear elastic membrane which is fixed along the boundary, under load. A particular situation where the load is represented by a characteristic function is invest...

Journal: :فیزیک زمین و فضا 0
mahnaz eskandari m.sc. graduated, department of geophysics, islamic azad university of hamedan, iran vahid ebrahimzadeh ardestani professor, department of earth physics, institute of geophysics, university of tehran, iran

one of the main goals of interpretation of gravity data is to detect location and edges of the anomalies. edge detection of gravity anomalies is carried out by different methods. terracing of the data is one of the approaches that help the interpreter to achieve appropriate results of edge detection. this goal becomes a complex task when the gravity anomalies have smooth borders due to gradual ...

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