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Abstract content <br> (Max 300 words)<br><a href="http://events.saip.org.za/getFile.py/access?resId=0&materialId=0&confId=34" target="_blank">Formatting &<br>Special chars</a>
The properties of ion-acoustic and electron-acoustic solitons are studied for fluid models describing three-component and four-component space plasmas. Each plasma model is composed of one or two (different temperatures but same mass) ion species and one or two (different temperatures) electron species. We use a reductive perturbation method to derive Korteweg- deVries equations that describe small-amplitude solitons for each model. The results are shown to be in good agreement with arbitrary amplitude soliton results available in the literature. A comparison of the results for the different models will provide insight into how polarity changes in the observed soliton structures are related to the plasma composition.
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Main supervisor (name and email)<br>and his / her institution
Dr. Shimul Maharaj firstname.lastname@example.org