Browsing by Title

Mathematical formulations of water mixing for reactive transport through heterogeneous media

Soler Sagarra, Joaquim (Date of defense: 2020-07-28)

The study of transport of reacting solute through aquifers is relevant in many engineering fields. Reactive transport (RT) is complex because it consists of two phenomena, solute transport and chemical reactions, both of ...

Mathematical learning and language use: Perspectives from bilingual students in a context of problem solving

Reverter Sabaté, Francesc (Date of defense: 2012-12-17)

The migrant movements throughout the world and the politics around language diversity in many countries have promoted an increasing presence of multilingualism in the mathematics classrooms. There are students who face ...

Mathematical Methods to Predict the Dynamic Shape Evolution of Cancer Growth based on Spatio-Temporal Bayesian and Geometrical Models

Vlad, Iulian Teodor (Date of defense: 2016-01-15)

The aim of this research is to observe the dynamics of cancer tumors and to develop and implement new methods and algorithms for prediction of tumor growth. I offer some tools to help physicians for a better understanding ...

Mathematical modeling of oligomerization and biased signaling of G-protein-coupled receptors

Zhou, Bin (Date of defense: 2018-10-19)

Los receptores acoplados a proteínas G (GPCRs) juegan un papel muy importante en una gran variedad de procesos biológicos. Estos receptores están localizados en la membrana y median las rutas de señalización celulares. Es ...

Mathematical modelling and advanced control design applied to high-pressure electrolyzers for hydrogen production

David, Martín Rafael (Date of defense: 2021-11-08)

This thesis is mainly dedicated to the study of high-pressure alkaline electrolysis. Alkaline electrolysis is a well established technology and is commercially available. However, the operation at high pressure for dispensing ...

Mathematical modelling and molecular analysis of a nitrifying packed bed biofilm reactor

Montràs Boet, Anna (Date of defense: 2009-04-24)

MELiSSA (Micro Ecological Life Support System Alternative) és el sistema desenvolupat per l'Agència Espacial Europea (ESA) i el consorci MELiSSA en el camp del suport de vida durant missions de llarga durada a l'espai. ...

Mathematical modelling of angiogenesis as an integrated multicellular process

Stepanova, Daria (Date of defense: 2022-03-30)

L’angiogènesi, la formació de nous vasos sanguinis a partir dels preexistents, és essencial per al desenvolupament normal i juga un paper crucial en patologies com el càncer, la diabetis i l’aterosclerosi. Tot i una extensa ...

Mathematical modelling of bioreactors in the MELiSSA regenerative life support system

Alemany Juvanteny, Laura (Date of defense: 2022-07-04)

El projecte MELiSSA (Micro-Ecological Life Support System Alternative) es va concebre per a desenvolupar un sistema tancat de suport vital regeneratiu basat en la integració de sis compartiments biològics en un circuit ...

Mathematical modelling of diffusion processes at the nanoscale

Ribera Ponsa, Helena (Date of defense: 2018-03-16)

In this thesis we study diffusion processes of nanoparticle evolution and develop appropriate models with the aim of being able to optimise their functions according to the needs of industry. Two distinct diffusion processes ...

Mathematical modelling of pathogen specialisation

Nurtay, Anel (Date of defense: 2019-02-25)

L’aparició de nous virus causants de malalties està estretament lligada a l’especialització de subpoblacions virals cap a nous tipus d’amfitrions. La modelització matemàtica proporciona un marc quantitatiu que pot ajudar ...

Mathematical modelling to aid in the transition towards more sustainable buildings

Torres Rivas, Alba (Date of defense: 2020-06-10)

L’objectiu d’aquesta tesis es desenvolupar eines que ajudin a les primeres fases del disseny d’edificis i ajudin al procés de presa de decisions amb l’objectiu d’aconseguir alternatives més sostenibles. La societat actual ...

Mathematical modelling to study infectious diseases: from understanding to prediction

Català Sabaté, Martí (Date of defense: 2021-10-14)

Each year 10 million people die from communicable diseases. They are infectious diseases caused by agents transmitted between individuals. Nowadays, the two infectious diseases that have the greatest impact are tuberculosis ...

Mathematical models and multiscale simulations of cellular secretion processes

González-Vélez, Virginia (Date of defense: 2011-07-26)

Exocytosis is the cellular process whereby a product such as a hormone or a neurotransmitter is released as a response to stimulation. There are a lot of exocytotic cells in mammals, and each cell type has their specific ...

Mathematical models for energy and landscape integrated analysis in agroecosystems

Font Moragón, Carme (Date of defense: 2016-11-17)

Els models matemàtics s'utilitzen per explicar fenòmens naturals. Com que els fenòmens naturals són molt complexes, per tal d'aprofundir en el seu comportament i ser capaç de fer prediccions sobre ells, es necessita passar ...

Mathematical models of physiologically structured cell populations

Borges Rutz, Ricardo (Date of defense: 2012-09-25)

En aquesta tesi es té en compte un model no lineal de creixement de població de cèl·lules que s'estructuren pel seu contingut de ciclina i cinases depenents de ciclina (CDK). Aquest model condueix a un sistema no lineal ...

Mathematical programming based approaches for classes of complex network problems : economical and sociological applications

Nasini, Stefano (Date of defense: 2015-01-29)

The thesis deals with the theoretical and practical study of mathematical programming methodologies to the analysis complex networks and their application in economic and social problems. More specifically, it applies ...