Alien limit cycles near a Hamiltonian 2-saddle cycle

Magdalena Caubergh; Freddy Dumortier; Robert Roussarie

Comptes Rendus. Mathématique, Volume 340 (2005) p. 587-592

Bifurcations of a predator-prey model with non-monotonic response function

H.W. Broer; Vincent Naudot; Robert Roussarie; Khairul Saleh

Comptes Rendus. Mathématique, Volume 341 (2005) p. 601-604