Abstract
It is shown that the problem of the immersion of a 2-dimensional surface into a 3-dimensional Euclidean space, as well as then-dimensional generalization of this problem, is related to the problem of studying surfaces in Lie groups and surfaces in Lie algebras. A particular case of the general formalism presented here implies that any surface can be characterized in terms of 2×2 matrices using an arbitrary parametrization. It is also shown that this generality of parametrization is useful for studying integrable surfaces, i.e. surfaces described by integrable equations. In particular starting from a suitable Lax pair (i.e. a suitable integrable equation), it is possible to construct explicitly large classes of integrable surfaces.
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Communicated by A. Jaffe
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Fokas, A.S., Gelfand, I.M. Surfaces on Lie groups, on Lie algebras, and their integrability. Commun.Math. Phys. 177, 203–220 (1996). https://doi.org/10.1007/BF02102436
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DOI: https://doi.org/10.1007/BF02102436