The Projective Andoyer transformation and the connection between the 4-D isotropic oscillator and Kepler systems
The q-deformed mKP hierarchy with self-consistent sources, Wronskian solutions and solitons
The quasi-bi-Hamiltonian formulation of the Lagrange top
The quasiclassical limit of the symmetry constraint of the KP hierarchy and the dispersionless KP hierarchy with self-consistent sources
The Radius of Convergence and the Well-Posedness of the Painlevé Expansions of the Korteweg-deVries equation
The relation between the Toda hierarchy and the KdV hierarchy
The restricted two-body problem in constant curvature spaces
The Riemann Extensions in Theory of Ordinary Differential Equations and their Applications
The Riemann-Hilbert Problem for the Bi-Orthogonal Polynomials
The Rogue Wave and breather solution of the Gerdjikov-Ivanov equation
The Rolling Body Motion Of a Rigid Body on a Plane and a Sphere. Hierarchy of Dynamics
The Rolling Motion of a Ball on a Surface. New Integrals and Hierarchy of Dynamics
The S-Matrix of AdS/CFT and Yangian Symmetry
The Sasa--Satsuma (complex mKdV II) and the complex sine-Gordon II equation revisited: recursion operators, nonlocal symmetries, and more
The Sasa-Satsuma higher order nonlinear Schrodinger equation and its bilinearization and multi-soliton solutions
The Sato Grassmannian and the CH hierarchy
The scattering approach for the Camassa-Holm equation
The Schwarzian variable associated with discrete KdV-type equations
The Second Painlevé Equation in the Large-Parameter Limit I: Local Asymptotic Analysis
The self-adjoint 5-point and 7-point difference operators, the associated Dirichlet problems, Darboux transformations and Lelieuvre formulas