2 papers
math-ph2024
Nondeterministic particle systems
Andreas Knauf, Manuel Quaschner
We consider systems of n particles that move with constant velocity between collisions. Their total momentum but not necessarily their kinetic energy is preserved at collisions. As…
math.DS2024
Regularisation by Hamiltonian extension
Andreas Knauf
We consider the Kepler potential and its relatives , in arbitrary dimension . We derive a unique real-analytic symplectic extension…