All Stories

  1. Exactly solvable models on 4D spacetime are not exceptional
  2. Ordering of two small parameters in the shallow water wave problem
  3. Conservation laws and normal forms of evolution equations
  4. Zero-curvature representation for a new fifth-order integrable system
  5. Generalized Stäckel transform and reciprocal transformations for finite-dimensional integrable systems
  6. Complete set of commuting symmetry operators for the Klein-Gordon equation in generalized higher-dimensional Kerr-NUT-(A)dS spacetimes
  7. Natural coordinates for a class of Benenti systems
  8. On the classification of conditionally integrable evolution systems in (1 + 1) dimensions
  9. Why nonlocal recursion operators produce local symmetries: new results and applications
  10. Maximal superintegrability of Benenti systems
  11. A Simple Way of Making a Hamiltonian System Into a Bi-Hamiltonian One