127 citations · 1.2k across the 40 of their papers we have counts for
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math-ph2016★ 21 cited
Superintegrable systems with a position dependent mass : Kepler-related and Oscillator-related systems
Manuel F. Rañada
The superintegrability of two-dimensional Hamiltonians with a position dependent mass (pdm) is studied (the kinetic term contains a factor that depends of the radial coordinate…
math-ph2016★ 8 cited
A new look at the Feynman `hodograph' approach to the Kepler first law
Jose F. Cariñena, M. F. Rañada, M. Santander
Hodographs for the Kepler problem are circles. This fact, known since almost two centuries ago, still provides the simplest path to derive the Kepler first law. Through Feynman `lo…