1. On the Nonlinear Stability of the Triangular Points in the Circular Spatial Restricted Three-body Problem

   • Daniela Cárcamo-Díaz
   • Jesús F. Palacián
   • Patricia Yanguas

   OriginalPaper 10 April 2020 Pages: 131 - 148

2. General Jacobi Coordinates and Herman Resonance for Some Nonheliocentric Celestial N-body Problems

   • Chjan C. Lim

   OriginalPaper 10 April 2020 Pages: 149 - 165

3. Conservation Laws for Highly Dispersive Optical Solitons in Birefringent Fibers

   • Anjan Biswas
   • Abdul H. Kara
   • Milivoj R. Belic

   OriginalPaper 10 April 2020 Pages: 166 - 177

4. Revisiting the Human and Nature Dynamics Model

   • Basil Grammaticos
   • Ralph Willox
   • Junkichi Satsuma

   OriginalPaper 10 April 2020 Pages: 178 - 198

5. Simple Flows on Tori with Uncommon Chaos

   • Carles Simó

   OriginalPaper 10 April 2020 Pages: 199 - 214

6. Dynamics of Rubber Chaplygin Sphere under Periodic Control

   • Ivan S. Mamaev
   • Evgeny V. Vetchanin

   OriginalPaper 10 April 2020 Pages: 215 - 236