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math.DS2013
A model for the nonautonomous Hopf bifurcation
Vasso Anagnostopoulou, Tobias Jäger, Gerhard Keller
Inspired by an example of Grebogi et al [1], we study a class of model systems which exhibit the full two-step scenario for the nonautonomous Hopf bifurcation, as proposed by Arnol…
math.DS2013
On Torus Homeomorphisms Semiconjugate to irrational Rotations
Tobias Jäger, Alejandro Passeggi
In the context of the Franks-Misiurewicz Conjecture, we study homeomorphisms of the two-torus semiconjugate to an irrational rotation of the circle. As a special case, this conject…