Bäcklund theorems in three-dimensional d
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Dafeng Zuo; Qing Chen; Yi Cheng
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Article
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2002
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Elsevier Science
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English
⚖ 169 KB
In three-dimensional de Sitter space S 3 1 and anti-de Sitter space H 3 1 , we generalize the classical Bäcklund theorem. Moreover, we obtain explicit forms of Bäcklund transformations (BTs) in the Tchebyshev coordinates and investigate the relation of loop group actions and BTs in S 3 1 .