A generalized Konno–Oono system is integrable via infinitely many non-trivial conservation laws from a geometric Riccati expansion, and its travelling waves yield S^{3} surfaces with periodically sign-changing Gaussian curvature.
Gomes Neto, Fifth-order evolution equations describing pseudospherical surfaces.J
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Lund--Regge Geometry and Integrability of a Generalized Konno--Oono System
A generalized Konno–Oono system is integrable via infinitely many non-trivial conservation laws from a geometric Riccati expansion, and its travelling waves yield S^{3} surfaces with periodically sign-changing Gaussian curvature.