نتایج جستجو برای: bratu equation

تعداد نتایج: 229766  

2005
Zhi-Gang Wang

Zhi-Gang Wang , Wei-Min Yang and Shao-Long Wan 1 Department of Physics, North China Electric Power University, Baoding 071003, P. R. China † 2 CCAST (World Laboratory), P.O.Box 8730, Beijing 100080, P. R. China 3 Department of Modern Physics, University of Science and Technology of China, Hefei 230026, P. R. China In this article, we investigate the structures of the pseudoscalar mesons (π, K, ...

Journal: :SIAM J. Math. Analysis 2013
Wael W. Mohammed Dirk Blömker Konrad Klepel

The purpose of this paper is to study the influence of large or unbounded domains on a stochastic PDE near a change of stability, where a band of dominant pattern is changing stability. This leads to a slow modulation of the dominant pattern. Here we consider the stochastic Swift-Hohenberg equation and derive rigorously the Ginzburg-Landau equation as a modulation equation for the amplitudes of...

Journal: :Rendiconti del Seminario Matematico della Università di Padova 2012

2001
Marcus Hausdorf Werner M. Seiler

We discuss the use of the formal theory of differential equations in the numerical analysis of general systems of partial differential equations. This theory provides us with a very powerful and natural framework for generalising many ideas from differential algebraic equations to partial differential equations. We study in particular the existence and uniqueness of (formal) solutions, the meth...

Journal: :Archive for Rational Mechanics and Analysis 2016

2001
Miguel D Bustamante Sergio A Hojman

In this work, we construct the general solution to the Heat Equation (HE) and to many tensor structures associated to the Heat Equation, such as Symmetries, Lagrangians, Poisson Brackets (PB) and Lagrange Brackets (LB), using newly devised techniques that may be applied to any linear equation (e.g., Schrödinger Equation in field theory, or the small-oscillations problem in mechanics). In partic...

پایان نامه :دانشگاه تربیت معلم - تبریز - دانشکده علوم پایه 1387

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان آذرباییجان شرقی - دانشگاه پیام نور مرکز تبریز - دانشکده علوم ریاضی 1388

چکیده ندارد.

2012
HAN Fengjing HUANG Dongdong

A theoretical framework model that researches the interrelationship of organizational innovation, organizational performance and dynamic core competence of enterprise (DCCE) is proposed on the foundation of the analysis of measure dimensions which include four oriented organizational innovations and the four sub-core capabilities of DCCE and the three levels of variables of performance. By usin...

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