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97 articles for “Equilibrium State”
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Research ArticleOpen accessIn the abstractComputational Techniques for Stability Analysis of a Class of Dynamic Economic ModelsGeorge E. Halkos, Kyriaki D. TsilikaModern microeconomics and macroeconomics study dynamic phenomena. Dynamics could predict future states of an economy based on its structural characteristics. Dynamic models in discrete time discrete state economic systems may take the form of one single linear difference equation or a system of linear difference equations. In this study we use Xcas and Mathematica as software tools in order to … …American Journal of Applied Sciences, Vol. 9, Issue 12 · 12 Dec 2012 · 7,379 accessesView PDFCite
Research ArticleOpen accessIn the abstractDiscovery of an Equilibrium Circle in the Circular Restricted Three Body ProblemFawzy A. Abd El-SalamProblem statement: A traial to find equilibrium points in out of plane of the restricted three body problem. Approach: Solution of the equations of motion at equilibrium points. Linearizing the equations of motion and computing the eigen values to investigate the stability. Results: New triangular equilibrium points in plane perpendicular to the plane of motion and passing through Lagrange triangular … …American Journal of Applied Sciences, Vol. 9, Issue 9 · 16 Jul 2012 · 7,362 accessesView PDFCite
Research ArticleOpen accessIn the abstractModeling the Dynamics of Tuberculosis Transmission in Children and AdultsF. Nyabadza, M. KgosimoreProblem statement: The fight Against Tuberculosis (TB) has mainly focused on the adult population because children were perceived to pose a very low risk in TB transmission. This assumption ignores the potential risk children had as reservoirs of latent infections from which future cases evolve when they become adults. It was therefore important to investigate the dynamics of TB taking … …Journal of Mathematics and Statistics, Vol. 8, Issue 2 · 5 Jun 2012 · 7,153 accessesView PDFCite
Research ArticleOpen accessIn the abstractComputation of the Locations of the Libration Points in the Relativistic Restricted Three-Body ProblemS.E. Abd El-Bar, F.A. Abd El-SalamProblem statement: In this study, the effects of Relativistic Restricted three-Body Problem (in brief RRTBP) on the equilibrium points of both triangular and collinear is considered. The approximate locations of the collinear and triangular points are determined. Series expansions are used to develope in µ and 1/c2 as small parameters. To check the validity of our solution, when ignoring 1/c2 … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 29 Feb 2012 · 7,039 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Mosquito Repellent on the Transmission Model of Chikungunya FeverSurapol Naowarat, Prasit Thongjaem, I. Ming TangProblem statement: In 2008 there was a large outbreak of Chikungunya fever in southern Thailand. Chikungunya fever is an emerging disease which tends to affect rubber plantation and fruit orchard workers more than other occupation. This study we considers the efficacy of using mosquito repellent as a way to prevent and control the spread of Chikungunya fever. The mathematical model … …American Journal of Applied Sciences, Vol. 9, Issue 4 · 14 Feb 2012 · 7,514 accessesView PDFCite
Research ArticleOpen accessIn the abstractTourism Equilibrium Price TrendsMohammad Mohebi, Khalid Abdul RahimProblem statement: A review of the tourism history shows that tourism as an industry was virtually unknown in Malaysia until the late 1960s. Since then, it has developed and grown into a major industry, making an important contribution to the country's economy. By allocating substantial funds to the promotion of tourism and the provision of the necessary infrastructure, the government … …American Journal of Applied Sciences, Vol. 9, Issue 4 · 7 Feb 2012 · 6,982 accessesView PDFCite
Research ArticleOpen accessIn the abstractTrans Pacific Strategic Economic Partnership With Japan, South Korea and China Integrate: General Equilibrium ApproachTodsadee Areerat, Hiroshi Kameyama, Shoichi Ito, Koh-en YamauchiProblem statement: The Trans-Pacific Strategic Economic Partnership Agreement (TPP) is a high standard and broad based Free Trade Agreement that aims to integrate the economies of the Asia-Pacific region. Recently, the US is pressing Japan to join the group. Japan is considering joining the TPP because of the dual considerations of its own economy and the political situation in East … …American Journal of Economics and Business Administration, Vol. 4, Issue 1 · 17 Jan 2012 · 9,883 accessesView PDFCite
Research ArticleOpen accessIn the abstractCredit Market Development and Economic Growth an Empirical Analysis for United KingdomAthanasios Vazakidis, Antonios AdamopoulosProblem statement: This study investigated the causal relationship between credit market development and economic growth for UK for the period 1975-2007 using a Vector Error Correction Model (VECM). Questions were raised whether economic growth spurs credit market development taking into account the negative effect of inflation rate on credit market development. This study aimed to investigate the short-run and the … …American Journal of Economics and Business Administration, Vol. 3, Issue 3 · 29 Nov 2011 · 7,238 accessesView PDFCite
Research ArticleOpen accessIn the abstractGlobal Analysis of an Epidemic Model with Non-Linear Incidence RateS. A.A. El-Marouf, S. M. AlihabyProblem statement: In this study the equilibrium points and their local stability are found for SIQ and SIQR epidemic models with three forms of the incidence rates. Also, we study the global stability of the equilibrium by constructing the new forms of Liapounov functions. Conclusion/Recommendations: We explored the existence of Hopf bifurcation for some parameters in the given model. …Journal of Mathematics and Statistics, Vol. 7, Issue 4 · 28 Oct 2011 · 7,274 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetection of Polymorphism at the Insulin Like Growth Factor-I Gene in Mazandaran Native Chicken using Polymerase Chain Reaction-Restriction Fragment Length Polymorphism MethodHossein Ali Abbasi, Mohsen KazemiProblem statement: Molecular genetics selection on individual genes is a promising method to genetically improve economically important traits in chickens. The Insulin like Growth Factor-I (IGF1) gene may play important roles in growth of multiple tissues, including muscle cells, cartilage and bone. Approach: In the present study polymorphism of the promoter and 5' untranslated region of IGF-1 gene of Mazandaran … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 2 · 8 Aug 2011 · 7,627 accessesView PDFCite