Two expanding integrable systems of the
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Xiurong Guo
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Article
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2009
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Elsevier Science
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English
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By using a Lie algebra G and its loop algebra e G, a soliton hierarchy of evolution equations is derived from which the well-known Gerdjikov-Ivanov (GI) hierarchy with two potential functions is obtained. With the help of different choices of the modified terms, two expanding integrable systems are