Degenerate Hopf bifurcations in discontinuous planar systems B Coll, A Gasull, R Prohens Journal of mathematical analysis and applications 253 (2), 671-690, 2001 | 160 | 2001 |
Limit cycles for a class of Abel equations A Gasull, J Libre SIAM Journal on Mathematical Analysis 21 (5), 1235-1244, 1990 | 152 | 1990 |
A polynomial counterexample to the Markus-Yamabe conjecture A Cima, ARP van den Essen, A Gasull, EMGM Hubbers, F Mañosas Nijmegen: Subfaculty Mathematics, 1995 | 145 | 1995 |
An explicit expression of the first Liapunov and period constants with applications A Gasull, A Guillamon, V Manosa Journal of Mathematical Analysis and Applications 211 (1), 190-212, 1997 | 110 | 1997 |
Bifurcation of limit cycles from two families of centers B Coll, A Gasull, R Prohens Dynamics of Continuous, Discrete and Impulsive Systems Series A …, 2005 | 106 | 2005 |
Algebraic properties of the Liapunov and period constants A Cima, A Gasull, V Mañosa, F Mañosas The Rocky Mountain Journal of Mathematics, 471-501, 1997 | 97 | 1997 |
Monodromy and stability for nilpotent critical points MJ Álvarez, A Gasull International Journal of Bifurcation and Chaos 15 (04), 1253-1265, 2005 | 96 | 2005 |
Limit cycles in the Holling-Tanner model A Gasull, RE Kooij, J Torregrosa Publicacions Matematiques, 149-167, 1997 | 96 | 1997 |
Center-focus problem for discontinuous planar differential equations A Gasull, J Torregrosa International Journal of Bifurcation and Chaos 13 (07), 1755-1765, 2003 | 92 | 2003 |
Period function for a class of Hamiltonian systems A Cima, A Gasull, F Mañosas Journal of Differential Equations 168 (1), 180-199, 2000 | 91 | 2000 |
Small-amplitude limit cycles in Liénard systems via multiplicity A Gasull, J Torregrosa Journal of differential equations 159 (1), 186-211, 1999 | 84 | 1999 |
Generating limit cycles from a nilpotent critical point via normal forms MJ Álvarez, A Gasull Journal of Mathematical Analysis and Applications 318 (1), 271-287, 2006 | 82 | 2006 |
Explicit non-algebraic limit cycles for polynomial systems A Gasull, H Giacomini, J Torregrosa Journal of computational and applied mathematics 200 (1), 448-457, 2007 | 81 | 2007 |
The discrete markus-yamabe problem A Cima, A Gasull, F Mañosas Nonlinear Analysis: Theory, Methods & Applications 35 (3), 343-354, 1999 | 81 | 1999 |
A new uniqueness criterion for the number of periodic orbits of Abel equations MJ Álvarez, A Gasull, H Giacomini Journal of Differential Equations 234 (1), 161-176, 2007 | 68 | 2007 |
The focus-centre problem for a type of degenerate system A Gasull, J Llibre, V Mañosa, F Mañosas Nonlinearity 13 (3), 699, 2000 | 66 | 2000 |
A new approach to the computation of the Lyapunov constants A Gasull, J Torregrosa Comp. and Appl. Math 20, 149-177, 2001 | 62 | 2001 |
Differential equations defined by the sum of two quasi-homogeneous vector fields B Coll, A Gasull, R Prohens Canadian Journal of Mathematics 49 (2), 212-231, 1997 | 61 | 1997 |
A new criterion for controlling the number of limit cycles of some generalized Liénard equations A Gasull, H Giacomini Journal of Differential Equations 185 (1), 54-73, 2002 | 60 | 2002 |
Center problem for several differential equations via Cherkas' method A Gasull, J Torregrosa Journal of Mathematical Analysis and Applications 228 (2), 322-343, 1998 | 60 | 1998 |