On the Dynamics Around the Collinear Points in the Sun-Jupiter System 

    Duarte Ferreira, Gladston (Date of defense: 2020-02-13)

    This work aims the study of the Rapid Transition Mechanism that explains some properties of orbits of some spatial objects, as for instance, comet 39P/Oterma, which will be the main object of this research. Considering ...

    On the effect of the Sun's gravity around the Earth-Moon L1 and L2 libration points 

    Rosales de Cáceres, José J. (Date of defense: 2020-12-16)

    In this thesis we explored some aspects of the dynamics around the Earth-Moon L1 and L2 points in the context of two Restricted Four Body Problems: the Bicircular Problem (BCP) and the Quasi-bicircular Problem (QBCP). Both ...