Now showing items 30759-30778 of 41648
Fernández Córdoba, Cristina (Date of defense: 2004-10-04)
Ocampo-Corrales, Diego B. (Date of defense: 2020-09-30)
El núcleo de la tesis consta de tres capítulos en los que se explora la naturaleza de los flujos de conocimiento que influyen en la innovación en energías renovables. En los tres capítulos se utiliza información de patentes ...
Fernández Sánchez, Jesús (Date of defense: 2004-11-01)
The original interest in sandwiched singularities comes from a natural question posed by J. Nash in the early sixties to H. Hironaka: “Does a finite succession of Nash transformations or normalized Nash transformations ...
Taghvaee, Hamidreza (Date of defense: 2021-07-21)
Sixth Generation (6G) of wireless networks will be even more heterogeneous and dense as compared to Fifth Generation (5G) and other legacy networks. Thus, the 6G architecture will need to be adapted to serve the ever-evolving ...
Apolonia, Nuno (Date of defense: 2018-09-21)
Internet coverage in the world is still weak and local communities are required to come together and build their own network infrastructures. People collaborate for the common goal of accessing the Internet and cloud ...
Cerveró Abelló, M. Àngels (Maria Àngels) (Date of defense: 2016-01-29)
Techniques devoted to deform 3D models are an important research field in Computer Graphics. They can be used in differentstages: the modelling phase, the animation process and also during some special simulations. ...
Diego, Víctor (Date of defense: 2017-11-24)
In this work we present the study we did in Graph Theory. In the firsts chapteres of the tesis we study the pieces of information that can be obtained from a graph: the spectrum of the adjacency matrix, the preintersection ...
Miranda Galcerán, Eva (Date of defense: 2003-09-22)
En esta tesis se estudia el problema de clasificación de estructuras simplécticas definidas en un entorno de una órbita singular compacta de un sistema completamente integrable sobre una variedad simpléctica para las cuales ...
Arcas Abella, Joaquim (Date of defense: 2013-06-18)
The ecological -and yet social- imperative of the reduction of environmental impact represents a challenge for todays society and for the industrial lifestyle. This challenge can only be faced through the activation of ...
Estrada Moreno, Alejandro (Date of defense: 2016-03-29)
En aquesta tesi s'estudia la dimensió (k,t)-mètrica dels grafs. Particularment s'emfatitza en la dimensió k-mètrica i la dimensió de k-adjacència. Al primer capítol es dedica als conceptes bàsics i les notacions emprades ...
Sorolla Bardají, Jordi (Date of defense: 2005-05-17)
Llagostera Blasco, Pol (Date of defense: 2023-04-28)
Actualment, les xarxes estan presents en molts àmbits i en molts aspectes de la vida quotidiana, des de xarxes de carreteres fins a formulacions químiques. Aquesta tendència ha augmentat en els últims anys a causa de ...
Marquès i Bonet, Tomàs (Date of defense: 2007-01-15)
The main objectives of this work are:<br/>a) To test the predictions of suppressed-recombination chromosomal speciation models on two different lineages of mammals: rodents and rimates. Suppressed-recombination chromosomal ...
Sória Pérez, José A. (José Antonio) (Date of defense: 2013-01-21)
This thesis deals with the automatic detection of features in signals, either extracted from photographs or captured by means of electronic sensors, and its possible application in the detection of morphological structures ...
Zhang, Ming (Date of defense: 2019-07-17)
Hydropower plays a very important role in the world electricity generation nowadays. Hydropower is one type of renewable energy and is the only renewable energy source that can provide a wide range of power regulation with ...
Abedi, Hoda (Date of defense: 2015-02-27)
We explore the possibility of detecting and characterising the warp of the stellar disc of our Galaxy using synthetic Gaia data and two available proper motion catalogues namely UCAC4 and PPMXL. We develop a new kinematic ...
Fornés Crespo, Oriol (Date of defense: 2015-01-21)
Protein-DNA interactions are indispensable players in the daily activities of cells. DNA-binding proteins regulate gene expression and are responsible of DNA replication, packaging, repair and recombination. Among them, ...
Peña Izquierdo, Jesús (Date of defense: 2015-02-20)
Regions isolated from the wind-driven circulation are found in the eastern margins of the world's tropical oceans. The weak and stagnant circulation of these so-called “shadow zones”, in combination with the intense ...
Gómez Crespo, Constantino (Date of defense: 2022-05-23)
The landscape of High Performance Computing (HPC) system architectures keeps expanding with new technologies and increased complexity. To improve the efficiency of next-generation compute devices, architects are looking ...
Oliva Valls, Sergi (Date of defense: 2013-05-02)
Propositional Proof Complexity is the area of Computational Complexity that studies the length of proofs in propositional logic. One of its main questions is to determine which particular propositional formulas have short ...