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math.DS2019
Resonance of bounded isochronous oscillators
David Rojas
An oscillator is called isochronous if all motions have a common period. When the system is forced by a time-dependent perturbation with the same period the phenomenon of resonance…
math.DS2019
Asymptotic development of an integral operator and boundedness of the criticality of potential centers
David Rojas
We study the asymptotic development at infinity of an integral operator. We use this development to give sufficient conditions in order to upper bound the number of critical period…