Exploring quantum memory schemes in cold atoms for quantum repeaters 

    Heller, Lukas (Fecha de defensa: 2023-11-06)

    (English) Quantum memories are devices that are able to store photonic quantum states and entanglement. Future quantum networks, which could enhance cybersecurity through quantum key distribution, improve the precision in ...

    Exploring the applications and limitations of location-based social network data in urban spatiotemporal analysis 

    Yang, Liya (Fecha de defensa: 2021-09-27)

    Nowadays, the widespread utilization of intelligent mobile and located-embedded services extends the border of social network sites (SNS) to physical-spatial space. The appearance of SNS changes our daily life meanwhile ...

    Exploring the potential of satellite InSAR in geological engineering: new opportunities in land monitoring and hydrogeological characterisation 

    Botey Bassols, Joan (Fecha de defensa: 2024-02-02)

    (English) Interferometry with Synthetic Aperture Radar (InSAR) is a remote sensing technique to measure displacements of the observed surface, either the ground or any structure on it. Although the systematic acquisition ...

    Exploring the potential usage of underused urban space: Hajj sites in Mecca as case study 

    Imam, Ayman Amin (Fecha de defensa: 2017-07-20)

    The term Underused Urban Spaces (UUS) refers to spaces within urban areas that have become unused, or that are being used to a lesser degree than they could or should be. The emergence of such spaces has therefore encouraged ...

    Exploring the topical structure of short text through probability models : from tasks to fundamentals 

    Capdevila Pujol, Joan (Fecha de defensa: 2019-09-26)

    Recent technological advances have radically changed the way we communicate. Today’s communication has become ubiquitous and it has fostered the need for information that is easier to create, spread and consume. As a ...

    Exploring twisted bilayer graphene with nano-optics 

    Hesp, Niels Caspar Herman (Fecha de defensa: 2021-10-20)

    Nano-optics studies the behaviour of light on the nanoscale. In particular, it probes the interaction of light with objects, often of nanometre-size, and reveals fine details of the material's optical properties. Optoelectronics ...

    Exponentiated weibull fading channel model in free-space optical communications under atmospheric turbulence 

    Barrios Porras, Ricardo (Fecha de defensa: 2013-05-17)

    Free-space optical (FSO) communications is drawing increasing attention as a promising technology to overcome bandwidth shortage, of an evermore crowded wireless marketplace. Currently radio-frequency (RF) technology ...

    Expressió gènica en microorganismes marins 

    Coll Lladó, Montserrat (Fecha de defensa: 2013-09-27)

    Ara que es comença a treure l’entrellat -o si més no a tenir una nova perspectiva- de la diversitat de microorganismes present als oceans gràcies a la biologia molecular i a la metagenòmica, el següent pas és esbrinar ...

    Expressway Ends : desarrollo y construcción de las autopistas urbanas en Estados Unidos : 1900-1967 

    Canna, Romina (Fecha de defensa: 2016-02-03)

    Assembling original documents, historical material, completed or unrealized projects and the evolution of governmental and professional structures, this dissertation explores the development and construction of urban ...

    Extended hybridizable discontinuous Galerkin method 

    Gürkan, Ceren (Fecha de defensa: 2018-11-22)

    This thesis proposes a new numerical technique: the eXtended Hybridizable Discontinuous Galerkin (X-HDG) Method, to efficiently solve problems including moving boundaries and interfaces. It aims to outperform available ...

    Extending procrustes analysis : building multi-view 2-D models from 3-D human shape samples 

    Pérez Sala, Xavier (Fecha de defensa: 2015-04-29)

    This dissertation formalizes the construction of multi-view 2D shape models from 3D data. We propose several extensions of the well-known Procrustes Analysis (PA) algorithm that allow modeling rigid and non-rigid transformations ...

    Extending the applicability of deterministic multithreading 

    Nowack, Vesna (Fecha de defensa: 2016-01-12)

    With the increased number of cores on a single processor chip, an application can achieve good performance if it splits the execution into multiple threads that run on multiple cores at the same time. To synchronize threads, ...

    Extensions of free groups: algebraic, geometric, and algorithmic aspects 

    Delgado Rodríguez, Jordi (Fecha de defensa: 2017-09-15)

    In this work we use geometric techniques in order to study certain natural extensions of free groups, and solve several algorithmic problems on them. To this end, we consider the family of free-abelian times free groups ...

    Extensió dels Learning Management Systems cap al m-learning des d'una perspectiva sostenible 

    Casañ Guerrero, Maria José (Fecha de defensa: 2013-03-14)

    L’educació va ser marcada a l’any 2000 per les Nacions Unides com un dels Objectius del Mil·lenni pel desenvolupament. Amb aquest objectiu, també conegut com “educació per a tothom”, es pretén que per l’any 2015, tots els ...

    Extensión y profundidad de la brecha digital educativa : el caso de Universidad del Valle de Toluca 

    Ruiz Ramírez, Hector (Fecha de defensa: 2016-01-14)

    Technology has played a role of primary importance in humanity, therefore observing its effects in the field of higher education results very important. This research firstly aims to identify the differences over the digital ...

    An extensive study on iterative solver resilience : characterization, detection and prediction 

    Mutlu, Burcu O. (Fecha de defensa: 2019-11-12)

    Soft errors caused by transient bit flips have the potential to significantly impactan applicalion's behavior. This has motivated the design of an array of techniques to detect, isolate, and correct soft errors using ...

    Externalidades de la economía del conocimiento en el crecimiento urbano : un análisis para las áreas metropolitanas de Barcelona y Helsinki 

    Chica Mejía, Juan Eduardo (Fecha de defensa: 2016-02-10)

    The centrality of knowledge-based industries (KBI) in the economy of metropolitan areas leads to the transformation of their labour markets and promotion of new forms of urban growth. This is due, among other things, to ...

    Ésteres alquílicos de los ácidos poli(gama-glutámico) y poli(beta-aspártico): síntesis, estructura y propiedades 

    Morillo Cazorla, Margarita (Fecha de defensa: 2002-07-03)

    Se han obtenido y caracterizado una serie de poli(a-n-alquil g-glutamato)s (PAAG-n) con n³12 y de poli(a-n-alquil b,L-aspartato)s (PAALA-n), mediante transesterificación con n-alcoholes y se ha estudiado la influencia que ...

    Ética y responsabilidad social: elementos para fortalecer el prestigio de la empresa y su permanencia en el mercado 

    Gómez Lemus, Marbella (Fecha de defensa: 2012-07-24)

    Ésta investigación tuvo como campo de estudio 60 medianas empresas tabasqueñas incorporadas al Sistema de Información Empresarial Mexicano, con la finalidad de conocer si éstas realizan acciones que les permitan generar ...

    Fabrication, characterisation and modelling of nanocrystalline silicon thin-film transistors obtained by hot-wire chemical vapour deposition. 

    Dosev, Dosi Konstantinov (Fecha de defensa: 2003-03-31)

    Hot-wire chemical vapour deposition (HWCVD) is a promising technique that permits polycrystalline silicon films with grain size of nanometers to be obtained at high deposition rates and low substrate temperatures. This ...