June 26 - 30, 2004
Saturday to Wednesday
Seattle, Washington, USA

 

 

Session:

GSW - Graduate Student Workshop

Title:

A Subpopulation Stability Based Evolutionary Technique for Multimodal Optimization

   

Authors:

Rodica I. Lung

   

Abstract:

A new evolutionary technique for multimodal optimization called Roaming technique (RT) is proposed. Multiple optima are detected using subpopulations evolving in isolation. A stability measure is defined for subpopulations by which they are characterized as stable or unstable. Stable subpopulations are considered to contain local optima. An external population called the archive is used to store the optima detected. After a number of generations the archive contains all local optima. Experimental results prove the efficiency of the algorithm.

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