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