Global phase portraits of a SIS model. - Regilene D. S. Oliveira; Alex C. Rezende (Appl. Math. Comput., 2013)

Global phase Portraits of quadratic Polynomial differential Systems with a Semi-Elemental Triple Node. - Joan C. Artés; Alex C. Rezende; Regilene D. S. Oliveira (Int. J. Bifurc. Chaos, 2013)

The Geometry of Quadratic Polynomial Differential Systems with a Finite and an Infinite Saddle-Node (A, B). - Joan C. Artés; Alex C. Rezende; Regilene D. S. Oliveira (Int. J. Bifurc. Chaos, 2014)

The Geometry of Quadratic Polynomial Differential Systems with a Finite and an Infinite Saddle-Node (C). - Joan C. Artés; Alex C. Rezende; Regilene D. S. Oliveira (Int. J. Bifurc. Chaos, 2015)

Topological Classification of Quadratic Polynomial Differential Systems with a Finite Semi-Elemental Triple Saddle. - Joan C. Artés; Regilene D. S. Oliveira; Alex C. Rezende (Int. J. Bifurc. Chaos, 2016)

Quadratic Differential Systems with a Finite Saddle-Node and an Infinite Saddle-Node (1, 1)SN - (A). - Joan C. Artés; Marcos C. Mota; Alex C. Rezende (Int. J. Bifurc. Chaos, 2021)

Quadratic Differential Systems with a Finite Saddle-Node and an Infinite Saddle-Node (1, 1)SN - (B). - Joan C. Artés; Marcos C. Mota; Alex C. Rezende (Int. J. Bifurc. Chaos, 2021)

Quadratic Systems Possessing an Infinite Elliptic-Saddle or an Infinite Nilpotent Saddle. - Joan C. Artés; Marcos C. Mota; Alex C. Rezende (Int. J. Bifurc. Chaos, 2024)

Period Function for a Family of Piecewise Planar Hamiltonian Systems. - Alex C. Rezende; Mirianne A. S. Santos; Joan Torregrosa (Int. J. Bifurc. Chaos, 2024)