Mostrando ítems 141-160 de 6086

    Towards seamless integration of data and physics: machine learning workflows for subsurface flow and induced seismicity forecasting in geo-energy applications 

    Walter, Linus Conrad (Fecha de defensa: 2025-07-18)

    (English) Geo-energy applications, such as geothermal energy, geologic carbon capture and storage, and underground hydrogen storage, have the potential to address anthropogenic climate change by contributing to the ...

    The role of resonances in Arnold diffusion 

    Moreno González, Román (Fecha de defensa: 2025-07-15)

    (English) This thesis presents contributions to the areas of exponentially small splitting of separatrices and Arnold diffusion in the context of theory of perturbation in Hamiltonian systems In the first chapter que study ...

    Drivers of public participation in ecological restoration: evidence from Tunisia 

    Missaoui, Sameh (Fecha de defensa: 2025-07-14)

    (English) The challenges facing the lagoon and aquifer ecosystems in North Africa highlight the critical need for sustainable restoration and management solutions. This thesis examines both the socio-economic and environmental ...

    Vulnerabilidad + regeneración = población en peligro de expulsión. Aprendizajes para una regeneración urbana inclusiva 

    Piasek, Gonzalo (Fecha de defensa: 2025-06-27)

    (English) This proposal is within the framework of a research project ‘Socio-spatial indicators for the improvement of building stock in vulnerable areas. Action criteria for the cases of the Metropolitan Areas of Barcelona ...

    Respiratory viruses in childhood: surveillance, analysis, and modelling of their epidemiological dynamics. The case of Catalonia. 

    Perramon Malavez, Aida (Fecha de defensa: 2025-07-16)

    (English) This PhD thesis focused on the characterisation and understanding of the dynamics of SARS-CoV-2, influenza, and respiratory syncytial virus (RSV) in children in Catalonia over the last decade. Through a combination ...

    Conceptualization, design and optimal operation of hybrid AC-DC power router grids 

    Gadelha Teixeira Filho, Vinicius (Fecha de defensa: 2025-06-20)

    (English) Driven by increasingly strict climate goals, the need for modernization of the electric power system has intensified in recent years. The transition towards a distributed and decarbonized smart energy system ...

    Talent management in Spanish SME hotel sector 

    Taghi Zadeh Ansari, Ehsan (Fecha de defensa: 2025-06-27)

    (English) Hospitality has a great role in economy of Spain as the second most visited country in the world. Human resources (HRs) are the most important resources in this industry. Talented employees can be competitive ...

    Exciton engineering for quantum confinement in an electrostatically defined PN-junction 

    Heithoff, Maximilian (Fecha de defensa: 2025-06-04)

    (English) We investigate the physics of quantum-confined excitons in an electrostatically defined PN junction. Such a PN junction can be generated in an encapsulated monolayer MoSe2 along the patterned edge of a top-gate ...

    Derivatives and risks 

    Blanc Blocquel di Marco, Augusto (Fecha de defensa: 2025-06-03)

    (English) This thesis aims to provide solutions to real world problems by the use and development of state-of-the-art quantitative finance techniques. The first part of this work tackles the challenge of digital options ...

    Lessons learned from the survey of damage to school buildings by the Mw = 8.4 Illapel earthquake (Chile, September 2015) 

    Reyes Cancino, Juan (Fecha de defensa: 2025-07-04)

    (English) The high seismic hazard present in the Chilean territory demands that essential buildings, such as educational facilities, be designed under rigorous structural performance criteria. However, recent events such ...

    Efectos barocalóricos en cristales plásticos orgánicos y ferroeléctricos 

    Salvatori, Alejandro (Fecha de defensa: 2025-07-01)

    (English) Artificial refrigeration is one of the greatest technological achievements, essential in both industrial and domestic sectors for the preservation of food, medicines, and space cooling. It is expected that the ...

    Development of hyperreduced order models for multiphysics numerical simulations: a noninvasive approach 

    Bravo Martínez, José Raúl (Fecha de defensa: 2025-07-16)

    (English) Reduced Order Models (ROMs) are powerful tools for accelerating numerical simulations by identifying and exploiting underlying structures in complex systems. By approximating high-dimensional problems using ...

    Contextual speech recognition 

    Woodward Riquelme, Alejandro Benjamín (Fecha de defensa: 2025-06-18)

    (English) Although Automatic Speech Recognition (ASR) technology has achieved remarkable improvements in transcription accuracy in recent years, it still struggles to correctly transcribe certain words. In particular, ...

    Instance-level recognition for image understanding 

    Roig Marí, Carlos (Fecha de defensa: 2025-06-30)

    (English) Image understanding is a fundamental task in computer vision as it aims to enable machines to visually comprehend the real world. In this thesis, the task of image understanding is addressed through the combination ...

    Understanding human intention for human-robot interaction 

    Domínguez Vidal, José Enrique (Fecha de defensa: 2025-07-15)

    (English) This doctoral thesis delves into the concept of intention in robotics, aiming to establish a comprehensive and practical definition while exploring its technical and social implications. The research begins by ...

    Finite element computational modeling of flexoelectricity and flexo-photovoltaics 

    Pérez Escudero, Sergi (Fecha de defensa: 2025-07-15)

    (English) This PhD focuses on the numerical modeling of flexoelectricity and flexo-photovoltaics, both at infinitesimal and finite deformations, using standard C0 Finite Element (FE) approximations. On one side, an ...

    Oscillatory motions, parabolic orbits and collision orbits in the planar circular restricted three-body problem 

    Lamas Rodríguez, José (Fecha de defensa: 2025-07-14)

    (English) The planar circular restricted three body problem (PCRTBP) models the motion of a massless body under the attraction of other two bodies, the primaries, which describe circular orbits around their common center ...

    Contributions to the assessment of indoor air quality, thermal comfort and ventilation in educational buildings 

    Miao, Sen (Fecha de defensa: 2025-07-16)

    (English) Indoor air quality and thermal comfort in educational buildings have significant impacts on students’ health, well-being, productivity, and learning performance. Schools, where students spend most of their day, ...

    Probing structural coherence across a light-induced double phase transition 

    Amuah, Emmanuel Baffu (Fecha de defensa: 2025-06-11)

    (English) Strongly-correlated materials have emerged as one of the most active areas of research in Condensed Matter Physics. Interests in these materials arise mainly from the pliability of their properties, offering the ...

    Los edificios residenciales urbanos de José Antonio Coderch, 1964-1969: las plantas bajas como construcción de espacio público 

    Martínez Molina, Ignacio (Fecha de defensa: 2025-07-08)

    (English) This research analyzes urban residential buildings designed by J.A. Coderch between 1964 and 1969, specifically exploring his relationship with the city. The study uses ground floors as an analytical tool, ...