نتایج جستجو برای: bray equation
تعداد نتایج: 230770 فیلتر نتایج به سال:
در ابتدا به طور مختصر ارتباط بین مسائل تغییراتی و معادلات دیفرانسیل را بیان می کنیم. همان طور که می دانیم هر معادله دیفرانسیل را می توان به صورت egin{equation} label{yek} a(u)= 0 end{equation} نوشت، که در آن $ a(u) $ یک عملگر دیفرانسیل معمولی یا جزئی خطی یا غیرخطی و $ u $ مجهول می باشد. برای حل این معادلات و به خصوص معادلات دیفرانسیل جزیی غیرخطی راه حل مشخصی وجود ندارد.حساب تغییر...
In this paper, we construct some interesting Gevrey functions of order α for every α > 1 with compact support by a clever use of the Bray-Mandelbrojt iterative process. We then apply these results to the moment method, which will enable us to derive some upper bounds for the cost of fast boundary controls for a class of linear equations of parabolic or dispersive type that partially improve the...
We use the replica method in order to obtain an expression for the variational free energy of an Ising ferromagnet on a Viana-Bray lattice in the presence of random external fields. Introducing a global order parameter, in the replica-symmetric context, the problem is reduced to the analysis of the solutions of a nonlinear integral equation. At zero temperature, and under some restrictions on t...
Mixed methods evaluation of Schools Intergenerational Dementia Project Teresa Atkinson & Jennifer Bray The Association for Dementia Studies, University of Worcester
Even though having some credibility in trans-disciplinary research (see e.g., Stehr and von Storch 1995, Bray and von Storch 1999, von Storch 2009, Bray and von Storch 2009 or Stehr and von Storch 2010), we may not have fully grasped the conceptions and arguments of S. Keller. What stuck to us was the complaint that the IPCC, mainly under the influence of Bert Bolin, would have failed to issue ...
In his invited speech at the second international workshop on "Visual Interfaces to Digital Libraries" held in conjunction with the Joint Conference on Digital Libraries (JCDL) [1] in 2002, Tim Bray, founder of Antarcti.ca Systems (http://antarctica.net), demonstrated how little search engine user interfaces have changed their appearance over the last five years. A revisit of Google'sTM or Yaho...
The CCC method was developed initially [1,2] to describe scattering of electrons from one-electron targets. The method made use of Laguerre basis states that are are L functions to discretize the target continuum. The method provided convergent amplitudes for scattering to low–lying discrete states and total–ionization cross– sections. The theory is fully symmetrized since it is based on a symm...
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