Lista de

Periodic solutions
11
"Systems of delay differential equations: Analysis of a model with feedback" (2018) Alliera, C.H.D.; Amster, P. Communications in Nonlinear Science and Numerical Simulation. 65:299-308
"Lazer–Leach conditions for coupled Gompertz-like delayed systems" (2018) Amster, P.; Déboli, A.; Kuna, M.P. Applied Mathematics Letters. 83:53-58
"Periodic solutions for indefinite singular equations with singularities in the spatial variable and non-monotone nonlinearity" (2018) Amster, P.; Zamora, M. Discrete and Continuous Dynamical Systems- Series A. 38(10):4819-4835
"The Sitnikov problem for several primary bodies configurations" (2018) Beltritti, G.; Mazzone, F.; Oviedo, M. Celestial Mechanics and Dynamical Astronomy. 130(7)
"On existence of periodic solutions for kepler type problems" (2016) Amster, P.; Haddad, J. Topological Methods in Nonlinear Analysis. 48(2):465-476
"Existence theorems for some abstract nonlinear non-autonomous systems with delays" (2014) Amster, P.; Idels, L. Communications in Nonlinear Science and Numerical Simulation. 19(9):2974-2982
"Solvability of weakly coupled second order systems with rapidly oscillating nonlinearities" (2012) Amster, P. Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis. 19(5):535-543
"Periodic solutions of systems with singularities of repulsive type" (2011) Amster, P.; Maurette, M. Advanced Nonlinear Studies. 11(1):201-220
"Periodic solutions of resonant systems with rapidly rotating nonlinearities" (2011) Amster, P.; Clapp, M. Discrete and Continuous Dynamical Systems. 31(2):373-383
"On Nirenberg-type conditions for higher-order systems on time scales" (2008) Amster, P.; De Nápoli, P.; Pablo Pinasco, J. Computers and Mathematics with Applications. 55(12):2762-2766
"Periodic solutions for p-Laplacian like systems with delay" (2006) Amster, P.; De Nápoli, P.; Mariani, M.C. Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis. 13(3-4):311-319