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math.DS2020
Lyapunov coefficients for monodromic tangential singularities in Filippov vector fields
Douglas D. Novaes, Leandro A. Silva
In planar analytic vector fields, a monodromic singularity can be distinguished between a focus or a center by means of the Lyapunov coefficients, which are given in terms of the p…
math.DS2020
Higher order Melnikov analysis for planar piecewise linear vector fields with nonlinear switching curve
Kamila da S. Andrade, Oscar A. R. Cespedes, Dayane R. Cruz +1
In this paper, we are interested in providing lower estimations for the maximum number of limit cycles that planar piecewise linear differential systems with two zones separ…