Cobiaga, RominaReartes, Walter2022-02-112022-02-112018-05-15Cobiaga, R., & Reartes, W. (2018). Isochronous families of limit cycles. <i>Electronic Journal of Differential Equations, 2018</i>(117), pp. 1-16.1072-6691https://hdl.handle.net/10877/15310In this article we present a method for determining if the frequency of a family of periodic orbits remains constant when a parameter changes. Two-dimensional systems of ordinary and delayed differential equations are considered. Several examples are given.Text16 pages1 file (.pdf)enAttribution 4.0 InternationalLimit cycleIsochronous orbitDelay differential equationIsochronous families of limit cyclesArticle