publicaciones seleccionadas artículo académico Non-bifurcation of critical periods from semi-hyperbolic polycycles of quadratic centres. PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS. 153(1):104-114. 2023 Dulac time of a resonant saddle in the Loud family. JOURNAL OF DIFFERENTIAL EQUATIONS. 269(10):7705-7729. 2020 Unfoldings of saddle-nodes and their dulac time. ELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS. 261:6411-6436. 2016 Principal part of multi-parameter displacement functions. BULLETIN DES SCIENCES MATHEMATIQUES. 136:752-762. 2012 Unfolding of the Hamiltonian Triangle Vector Field. JOURNAL OF DYNAMICAL AND CONTROL SYSTEMS. 17:291-310. 2011 Non-Accumulation of Critical Points of the Poincaré Time on Hyperbolic Polycycles. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY. 135:3273-3282. 2007 Asymptotic Expansion of the Period Function II. JOURNAL OF DIFFERENTIAL EQUATIONS. 222:476-486. 2006 Perturbation of a p-Adic Dynamical System in Two Variables. BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY. 384:1-13. 2005 Attraction and Repeller Points for a Several-Variable Analytic Dynamical System in a Non-Archimedean Setting. THEORETICAL AND MATHEMATICAL PHYSICS. 140(2):1175-1181. 2004 Asymptotic Expansion of the Period Function. JOURNAL OF DIFFERENTIAL EQUATIONS. 193:359-373. 2003 The Period Function Near a Polycycle with Two Semi-Hyperbolic Vertices. ANNALES MATHEMATIQUES BLAISE PASCAL. 8(1):93-104. 2001 Fonction Temps de Retour d'un Polycycle. COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE. 330(1):781-784. 2000