Joan Torregrosa

Piecewise linear perturbations of a linear center

Claudio A. Buzzi, Claudio Pessoa, Joan Torregrosa · Discrete and Continuous Dynamical Systems · 2013 · 146 citations · Full text

Engineering, Perturbation Method, Singularly Perturbed Problem +10

Center-Focus Problem for Discontinuous Planar Differential Equations

Armengol Gasull, Joan Torregrosa · International Journal of Bifurcation and Chaos · 2003 · 90 citations

Numerical Analysis, Limit Cycles, Weak Focus +6

LOWER BOUNDS FOR THE MAXIMUM NUMBER OF LIMIT CYCLES OF DISCONTINUOUS PIECEWISE LINEAR DIFFERENTIAL SYSTEMS WITH A STRAIGHT LINE OF SEPARATION

Jaume Llibre, Marco Antônio Teixeira, Joan Torregrosa · International Journal of Bifurcation and Chaos · 2013 · 64 citations · Full text

Limit Cycles, Linear Differential Systems, Discrete Dynamical System +5

New lower bound for the Hilbert number in piecewise quadratic differential systems

Leonardo Pereira Costa da Cruz, Douglas D. Novaes, Joan Torregrosa · Journal of Differential Equations · 2018 · 62 citations · Full text

New Lower Bound, Hilbert Number, Variational Inequality +2

Limit cycles in planar piecewise linear differential systems with nonregular separation line

Pedro Toniol Cardin, Joan Torregrosa · Physica D Nonlinear Phenomena · 2016 · 61 citations · Full text

Limit Cycles, Discrete Dynamical System, Nonregular Separation Line +2