Twistors, 4-symmetric spaces and integrable systems

dc.creatorBurstall, Francis E.
dc.creatorKhemar, Idrisse
dc.date2008-04-28
dc.date2008-05-01
dc.date.accessioned2026-07-07T12:56:37Z
dc.date.available2026-07-07T12:56:37Z
dc.descriptionAn order four automorphism of a Lie algebra gives rise to an integrable system discussed by Terng. We show that solutions of this system may be identified with certain vertically harmonic twistor lifts of conformal maps of surfaces in a Riemannian symmetric space. Specialising to 4-dimensional target, we find that surfaces with holomorphic mean curvature in 4-dimensional spaces with constant sectional or holomorphic sectional curvatures constitute an integrable system as do Hamiltonian stationary Lagrangian surfaces in a 4-dimensional Hermitian symmetric space (this last being a result of Helein-Romon).
dc.description9 pages. v2: corrected typo in metadata
dc.identifierhttps://arxiv.org/abs/0804.4235
dc.identifierhttp://arxiv.org/abs/0804.4235
dc.identifierMath. Ann. 344 (2009) 451-461
dc.identifierdoi:10.1007/s00208-008-0313-5
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/224646
dc.subjectDifferential Geometry
dc.titleTwistors, 4-symmetric spaces and integrable systems
dc.typetext

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