Rodríguez López, Salvador (Date of defense: 2008-04-07)
In the early 1970 fs, R. Coifman and G. Weiss, generalizing the techniques introduced by A. Calderon, developed a method for transferring abstract convolution type operators, defined on general topological ...
Simon i Estrada, Sergi (Date of defense: 2007-07-09)
In this thesis, we present a proof of the meromorphic non-integrability for some problems arising from Celestial Mechanics, as well as a new necessary condition for partial integrability in a wider ...
Ripoll i Missé, Jordi (Date of defense: 2005-10-05)
In this Thesis we address the study of some non-linear evolution equations (e.g. pde's) modelling the dynamics of sexually-reproducing structured populations, with special emphasis on biological evolution ...
Baldomá, Inmaculada (Date of defense: 2001-01-01)
In general, when beginning to explore any scientific field, one focuses on the generic situations; that is, one centers on the behaviours that appear in “most” of the cases encountered in practice. This ...