Spin matrix elements in 2D Ising model on the finite lattice

Spin Matrix for the Scaled Periodic Ising Model

Spinless Calogero-Sutherland model with twisted boundary condition

Spiral Wave Solutions of One-dimensional Ginzburg-Landau Equation By Extended F-expansion Method

Spiral-Logarithmic Structure in a Heisenberg Ferromagnet

Spontaneous magnetization of the XXZ Heisenberg spin-1/2 chain

Spontaneously generated waves and obstacles to integrability in perturbed evolution equations

Squared Eigenfunctions for the Sasa-Satsuma Equation

Stability of Periodic Soliton Equations under Short Range Perturbations

Stability of periodic traveling waves for complex modified Korteweg-de Vries equation

Stability of periodic traveling waves for the quadratic and cubic nonlinear Schrödinger equations

Stability of periodic travelling shallow-water waves determined by Newton's equation

Stability of the Periodic Toda Lattice in the Soliton Region

Stability of the periodic Toda lattice under short range perturbations

Stability of the Periodic Toda Lattice: Higher Order Asymptotics

Stabilization of ultra-short pulses in cubic nonlinear media

Stackel separability for Newton systems of cofactor type

Stackel systems: bi-Hamiltonian property and systematic construction

Staeckel systems generating coupled KdV hierarchies and their finite-gap and rational solutions

Staggered and short period solutions of the Saturable Discrete Nonlinear Schrödinger Equation