David Juher, David Rojas, Joan Saldaña "Saddle-node bifurcation of limit cycles in an epidemic model with two levels of awareness." Physica. D, Nonlinear phenomena 448 (2023): -. Renato Huzak; David Rojas "Abelian integrals and non-generic turning points." Qualitative Theory of Dynamical Systems 21 (2022): 1-18. D. Rojas; P.J. Torres "Periodic bouncing solutions of the Lazer-Solimini equation with weak repulsive singularity.." Nonlinear Analysis-Real World Applications 64 (2022): 1-13. Renato Huzak; David Rojas "Period function of planar turning points." Electronic Journal Of Qualitative Theory Of Differential Equations 2021 (2021): 1-21. D. Juher; D. Rojas; J. Saldaña "Robustness of behaviorally induced oscillations in epidemic models under a low rate of imported cases." Physical Review E 102 (2020): art.num.052301-. David Rojas; Pedro J. Torres "Bifurcation of relative equilibria generated by a circular vortex path in a circular domain." Discrete and continuous dynamical systems. Series B 25 (2020): 749-760. David Rojas "Resonance of bounded isochronous oscillators.." Nonlinear Analysis: Theory, Methods and Applications 192 (2020): 1-10. David Rojas "Asymptotic Development of an Integral Operator and Boundedness of the Criticality of Potential Centers." Journal of Dynamics and Differential Equations 32 (2020): 665-704. Rafael Ortega; David Rojas "Periodic oscillators, isochronous centers and resonance." Nonlinearity 32 (2019): 800-832. David Rojas "On the upper bound of the criticality of potential systems at the outer boundary using the Roussarie-Ecalle compensator.." Journal of Differential Equations 267 (2019): 3922-3951. Rafael Ortega; David Rojas "A proof of Bertrand's Theorem using the theory of isochronous potentials." Journal of Dynamics and Differential Equations 31 (2019): 2017-2028. Francesc Mañosas; David Rojas; Jordi Villadelprat "Analytic tools to bound the criticality at the outer boundary of the period annulus." Journal of Dynamics and Differential Equations 30 (2018): 883-909. David Rojas "The monotonicity of the apsidal angle using the theory of potential oscillators." Qualitative Theory of Dynamical Systems 17 (2018): 631-635. David Rojas; Jordi Villadelprat "A criticality result for polycycles in a family of quadratic reversible centers." Journal of Differential Equations 264 (2018): 6585-6602. Francesc Mañosas; David Rojas; Jordi Villadelprat "Study of the period function of a two-parameter family of centers." Journal of Mathematical Analysis and Applications (2017): 188-208. Francesc Mañosas; David Rojas; Jordi Villadelprat "The criticality of centers of potential systems at the outer boundary." Journal of Differential Equations (2016): 4918-4972.
David Rojas "Resonance of isochronous oscillators." Research Perspectives CRM Barcelona 2018 (2019): 87-91.
David Rojas "Oscil·ladors en ressonància." Butlleti de la Societat Catalana de Matemàtiques 37 (2022): 137-172.