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math.DS2025
Coboundaries of 3-IETs
Przemysław Berk, Carlos Ospina
In this note, we investigate coboundaries of interval exchange transformations of three intervals, or 3-IETs. More precisely, we study differentiable functions whose derivative is…
math.DS2024
Some real {Rel} trajectories in that are not recurrent
Carlos Ospina
We study the real Rel orbits of certain translation surfaces in the stratum , specifically surfaces that are tremors of the locus of branched double covers of tor…
math.DS2024
Slow entropy and variational dynamical systems
Minhua Cheng, Carlos Ospina, Kurt Vinhage +1
We define variational properties for dynamical systems with subexponential complexity, and study these properties in certain specific examples. By computing the value of slow entro…