نتایج جستجو برای: p biharmonic

تعداد نتایج: 1270864  

Journal: :Arab Journal of Mathematical Sciences 2011

Journal: :Computers & Mathematics with Applications 2016

Journal: :Journal of Mathematical Analysis and Applications 2014

2005
G. I. Tsamasphyros S. Markolefas

A mixed formulation with two main variables, based on the Ciarlet-Raviart technique, with 0 C continuity shape functions is employed for the solution of some types of biharmonic equations in 1-D. The continuous and discrete Babuška-Brezzi inf-sup conditions are established. The formulation is numerically tested for both the hand pextensions. The model problems involve the standard biharmonic eq...

Journal: :Advances in Science, Technology and Engineering Systems Journal 2017

Journal: :bulletin of the iranian mathematical society 0
q. chen college of science‎, ‎hohai university‎, ‎nanjing 210098‎, ‎p‎.‎r‎. ‎china; yancheng institute of technology‎, ‎yancheng 224051‎, ‎p‎.‎r‎. ‎china. c. chen college of science‎, ‎hohai university‎, ‎nanjing 210098‎, ‎p‎.‎r‎. ‎china.

‎using variational arguments‎, ‎we prove the existence of infinitely‎ ‎many solutions to a class of $p$-biharmonic equation in‎ ‎$mathbb{r}^n$‎. ‎the existence of‎ ‎nontrivial‎ ‎solution is established under a new‎ ‎set of hypotheses on the potential $v(x)$ and the weight functions‎ ‎$h_1(x)‎, ‎h_2(x)$‎.

2008
SELCEN YÜKSEL

In this paper biharmonic maps between doubly warped product manifolds are studied. We show that the inclusion maps of Riemannian manifolds B and F into the doubly warped product f B ×b F can not be proper biharmonic maps. Also we analyze the conditions for the biharmonicity of projections f B ×b F → B and f B ×b F → F , respectively. Some characterizations for non-harmonic biharmonic maps are g...

2008
PASCHALIS KARAGEORGIS

We study the positive, regular, radially symmetric solutions to the nonlinear biharmonic equation ∆φ = φ. First, we show that there exists a critical value pc, depending on the space dimension, such that the solutions are linearly unstable if p < pc and linearly stable if p ≥ pc. Then, we focus on the supercritical case p ≥ pc and we show that the graphs of no two solutions intersect one another.

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