Now showing items 27742-27761 of 42488

    La matèria artúrica en la literatura catalana medieval i les seves connexions europees. 

    Palliso i Alentorn, Llívia (Date of defense: 2015-10-07)

    "La matèria artúrica en la literatura catalana medieval i les seves connexions europees" vol explorar les possibilitats d’aquesta matèria més enllà de l’esfera estrictament catalana. En primer lloc, es proposa l’anàlisi ...

    Mathematical and computational modeling of active cellular flows 

    Font i Reverter, Jordi (Date of defense: 2023-06-08)

    (English) During development, cellular tissues undergo dramatic reconfigurations as a result of organized flows driven by active forces. Depending on the system, cellular flows and active forces can be understood from a ...

    Mathematical and computational modeling of flexoelectricity at fixed and moving interfaces, fracture surfaces and contact 

    Barceló Mercader, Jordi (Date of defense: 2023-09-08)

    (English) Flexoelectricity is a two-way coupling between strain gradient and polarisation or strain and polarization-gradient. Harnessing flexoelectricity as a functional property requires gradient engineering. This is a ...

    Mathematical and computational modeling of flexoelectricity at mesoscopic and atomistic scales 

    Codony, David (Date of defense: 2021-03-01)

    This PhD thesis focuses on the development of mathematical and computational models for flexoelectricity, a relatively new electromechanical coupling that is present in any dielectric at the micron and sub-micron scales. ...

    Mathematical Developments on Isotropic Positive Definite Functions on Spheres 

    Arafat Hassan Mohammed, Ahmed (Date of defense: 2017-05-29)

    In this thesis, three open problems related to the isotropic positive definite functions on the sphere have been solved. Firstly, we provide necessary and sufficient conditions for the equivalence of two Gaussian measures ...

    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 ...