Incorporating Inertia Into Multi-Agent Systems

We consider a model that demonstrates the crucial role of inertia and stickiness in multi-agent systems, based on the Minority Game (MG). The inertia of an agent is introduced into the game model by allowing agents to apply hypothesis testing when choosing their best strategies, thereby reducing their reactivity towards changes in the environment. We find by extensive numerical simulations that our game shows a remarkable improvement of global cooperation throughout the whole phase space. In other words, the maladaptation behavior due to over-reaction of agents is removed. These agents are also shown to be advantageous over the standard ones, which are sometimes too sensitive to attain a fair success rate. We also calculate analytically the minimum amount of inertia needed to achieve the above improvement. Our calculation is consistent with the numerical simulation results. Finally, we review some related works in the field that show similar behaviors and compare them to our work.Comment: extensively revised, 8 pages, 10 figures in revtex

Multi-Agent Modeling in Managing Six Sigma Projects

In this paper, a multi-agent model is proposed for considering the human resources factor in decision making in relation to the six sigma project. The proposed multi-agent system is expected to increase the acccuracy of project prioritization and to stabilize the human resources service level. A simulation of the proposed multi- agent model is conducted. The results show that a multi-agent model which takes into consideration human resources when making decisions about project selection and project team formation is important in enabling efficient and effective project management. The multi-agent modeling approach provides an alternative approach for improving communication and the autonomy of six sigma projects in business organizations

HUBBLE SPACE TELESCOPE OBSERVATIONS AND GEOMETRIC MODELS OF COMPACT MULTIPOLAR PLANETARY NEBULAE

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Long-term prediction of discharges in Manwan Reservoir using artificial neural network models

Author name used in this publication: Kwokwing Chau2004-2005 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe

Electromagnetic design of a new magnetic gear with electrically controlled gear ratios for hybrid electric vehicles

Poster Session: CQ - Motors, generators and actuators 6: Paper no. 1131postprin

The Development of Social Capital in the Collaboration Network of Information Systems Scholars

This study examines the development of social capital in the collaboration network of information systems (IS) scholars over a 33-year period (from 1980 to 2012). Using the co-authorship data from six premier journals (MIS Quarterly, Information Systems Research, Journal of MIS, Journal of the AIS, European Journal of Information Systems, and Information Systems Journal), we analyze the historical trajectory of five aspects of the field\u27s structural social capital: network ties, network configuration, structural holes, growth, and structural cohesion. Our results show that, as a scientific field, the IS community has made significant progress in accumulating social capital. The current IS collaboration network is also comparable in several aspects with networks found in other business disciplines (e.g., management, finance, and marketing). Our study has several important implications for the focus-versus-diversity debate in the IS field. Based on our findings, we offer some recommendations as to how the IS community can increase the field\u27s social capital, and thereby facilitate knowledge creation and innovation

Long-term prediction of discharges in Manwan Hydropower using adaptive-network-based fuzzy inference systems models

Author name used in this publication: Chun-Tian ChengAuthor name used in this publication: Ying-Guang SunAuthor name used in this publication: Kwokwing ChauAuthor name used in this publication: Jian-Yi Lin2004-2005 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe

Exclusive Hadronic D Decays to eta' and eta

Hadronic decay modes $D^0\to(\bar K^0, \bar K^{*0})\eta,\eta'$ and $(D^+,D_s^+)\to(\pi^+,\rho^+)\eta,\eta'$ are studied in the generalized factorization approach. Form factors for $(D,D_s^+)\to(\eta,\eta')$ transitions are carefully evaluated by taking into account the wave function normalization of the eta and eta'. The predicted branching ratios are generally in agreement with experiment except for $D^0\to\bar K^0\eta', D^+\to\pi^+\eta$ and $D_s^+\to\rho^+\eta'$; the calculated decay rates for the first two decay modes are too small by an order of magnitude. We show that the weak decays $D^0\to K^-\pi^+$ and $D^+\to K^+\bar K^0$ followed by resonance-induced final-state interactions (FSI), which are amenable technically, are able to enhance the branching ratios of $D^0\to\bar K^0\eta'$ and $D^+\to\pi^+\eta$ dramatically without affecting the agreement between theory and experiment for $D^0\to\bar K^0\eta$ and $D^+\to\pi^+\eta'$. We argue that it is difficult to understand the observed large decay rates of $D_s^+\to \rho^+\eta'$ and $\rho^+\eta$ simultaneously; FSI, W-annihilation and the production of excess eta' from gluons are not helpful in this regard. The large discrepancy between the factorization hypothesis and experiment for the ratio of $D_s^+\to\rho^+ \eta'$ and $D_s^+\to\eta' e^+\nu$ remains as an enigma.Comment: 15 pages, 1 figure, to appear in Phys. Rev. D. Form factors for D to eta and eta' transitions are slightly change