Abstract
We study vector fields of the plane preserving the Liouville form. We present their local models up to the natural equivalence relation and describe local bifurcations of low codimension. To achieve that, a classification of univariate functions is given according to a relation stricter than contact equivalence. In addition, we discuss their relation with strictly contact vector fields in dimension three. Analogous results for diffeomorphisms are also given.
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Anastassiou, S. Dynamical systems on the Liouville plane and the related strictly contact systems. Regul. Chaot. Dyn. 21, 862–873 (2016). https://doi.org/10.1134/S1560354716070091
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DOI: https://doi.org/10.1134/S1560354716070091