82 Theses found
Nilpotent centers on center manifolds, cyclicity of Hopf centers and the period function near a persistent polycycle
Student:
Lucas Queiroz
Advisors:
Jordi Villadelprat, Claudio G. Pessoa
Defense date:
2024-08-02
Computational aproximation to some dynamical systems problems
Student:
Salvador Borrós
Advisor:
Lluís Alsedà
Defense date:
2024-01-10
Some problems on rational and transcendental dynamics
Student:
Dan Alexandru Paraschiv
Advisors:
Jordi Canela, Xavier Jarque
Defense date:
2023-06-16
Maxwell’s Ring Restricted N + 1−Body Problem with Manev Potential
Student:
Mauricio Ascencio
Advisors:
Esther Barrabés, Josep Maria Cors, Claudio Vidal
Defense date:
2023-05-12
The period function for some planar piecewise vector fields
Student:
Mirianne A. S. Santos
Advisors:
Alex C. Rezende, Joan Torregrosa
Defense date:
2023-04-27
Contributions to the study of periodic orbits and invariant manifolds in dynamical systems
Student:
Clara Cufí-Cabré
Advisors:
Jaume Llibre, Ernest Fontich
Defense date:
2023-02-15
Crossing limit cycles for planar piecewise linear differential separated by curves
Student:
Anacleto Hoyos, María Elisa
Advisors:
Vidal, Claudio, Jaume Llibre, Valls, Claudia
Defense date:
2022-07-20
Qualitative dynamics of planar and spatial Lotka-Volterra and Kolmogorov systems
Student:
Érika Diz Pita
Advisors:
Jaume Llibre, M. Victoria Otero
Defense date:
2022-07-06
Structural stability, centers and limit cycles for smooth and nonsmooth tridimensional vector fields with invariant bidimensional spheres
Student:
Ana Livia Rodero
Advisors:
Joan Torregrosa, Claudio Buzzi
Defense date:
2022-01-31
Limit cycles and critical periods for some polynomial differential equations
Student:
Iván Sánchez
Advisor:
Joan Torregrosa
Defense date:
2021-09-21
Geometrical and topological investigation of some families of quadratic differential systems possessing saddle-nodes or invariant ellipses
Student:
Marcos C. Mota
Advisors:
Joan Carles Artés, Alex C. Rezende, Regilene Oliveira
Defense date:
2021-04-19
Qualitative aspects of piecewise differential systems: Regularization, bifurcation, limit cycles and period function
Student:
Yagor Romano Carvalho
Advisors:
Armengol Gasull, Claudio A. Buzzi
Defense date:
2021-01-26
Limit cycles of small amplitude in polynomial and piecewise polynomial planar vector fields
Student:
Luiz Fernando Gouveia
Advisor:
Joan Torregrosa
Defense date:
2020-01-14
On the crossing limit cycles for piecewise linear differential systems on the plane
Student:
Jeidy Johana Jimenez Ruiz
Advisors:
Jaume Llibre, Joao Carlos Medrado
Defense date:
2019-12-05
Qualitative theory of differential equations in the plane and in the space, with emphasis on the center-focus problem and on the Lotka-Volterra systems
Student:
Valentin Ramirez
Advisor:
Jaume Llibre
Defense date:
2019-11-26
On classical results for discontinuous and constrained differential systems
Student:
Lucyjane de Almeida Silva Menezes
Advisors:
Jaume Llibre, Joao C. Medrado
Defense date:
2019-08-27
Mathematical Modelling of Pathogen Specialisation
Student:
Anel Nurtay
Advisors:
Lluís Alsedà, Santiago F. Elena Fito
Defense date:
2019-02-20
Topological Attractors Of Quasi-periodically Forced One-dimensional Maps
Student:
Zhaoyang Dong
Advisor:
Lluís Alsedà
Defense date:
2019-01-29
Invariant curves on differential systems defined in R^2 , n ≥ 2
Student:
Camila A. B. Rodrigues
Advisors:
Jaume Llibre, Regilene Oliveira
Defense date:
2019-01-17
Bifurcations of limit cycles in planar differential and piecewise differential systems
Student:
Leonardo P. C. da Cruz
Advisor:
Joan Torregrosa
Defense date:
2018-10-11