Now showing items 21-27 of 27

    Nova metodologia d’anàlisi de distribucions de dosi per algorismes de càlcul de dosi absorbida en radioteràpia externa que simulen el transport de radiació en medi 

    Jurado Bruggeman, Diego (Date of defense: 2023-03-16)

    Introduction Different types of dose calculation algorithms for external beam radiation therapy with MV photons coexist nowadays. The oldest ones are convolution/superposition (C/S), which consider all media as water of ...

    Noves tècniques de gestió per a l'empresa promotora constructora 

    Cassú i Serra, Elvira (Date of defense: 2006-02-03)

    En el sector de la promoció construcció, i en especial, en el subsector de la promoció construcció d'habitatges, l'empresari ha de tenir un bon coneixement de les variables d'entorn ja que la consideració de les mateixes ...

    Population range expansions, with mathematical applications to interacting systems and ancient human genetics 

    López de Rioja, Víctor (Date of defense: 2019-03-11)

    The thesis studies from an analytical and computational perspective, and by using reaction-diffusion equations, the spatiotemporal evolution of different populations. First, the dynamics of the T7 bacteriophage infecting ...

    Presencia de los procesos matemáticos en la enseñanza del número de 4 a 8 años. Transición entre la educación infantil y elemental 

    Coronata Ségure, Claudia (Date of defense: 2014-10-17)

    In this thesis practices of teaching and learning of the concept of number of teachers of children between 4 and 8 years are analyzed, observing and analyzing the presence of the five mathematical processes: Resolution ...

    Reformulation of constraint models into SMT 

    Palahí i Sitges, Miquel (Date of defense: 2015-12-10)

    In this thesis we focus on reformulate constraint satisfaction problems (CSP) into SAT Modulo Theories (SMT). SMT is an extension of SAT where the literals appearing in the formulas are not restricted to contain only ...

    Scheduling through logic-based tools 

    Coll Caballero, Jordi (Date of defense: 2019-07-15)

    Scheduling problems consist in determining how to execute the activities of a project in order to satisfy some requirements. Such problems are ubiquitous nowadays in industry and services, but finding solutions of scheduling ...

    Stochastic models and the temporal dynamics of ecological communities 

    Jiménez Ontiveros, Vicente Luis (Date of defense: 2020-06-29)

    This thesis develops a quantitative approach to understanding and predicting the spatiotemporal distribution of biodiversity, based on a stochastic version of the theory of island biogeography. Here, I present R package ...