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Characterization of left atrial hemodynamics with 4D flow magnetic resonance imaging, in-silico models and deep learning 

Morales Ferez, Xabier (Date of defense: 2024-04-26)

Although the left ventricle has traditionally held the spotlight as the primary determinant of cardiovascular disease prognosis, the characterization of left atrial hemodynamics is increasingly being recognized as a ...

Large scale off-policy and offline learning 

Gabbianelli, Germano (Date of defense: 2024-03-07)

Reinforcement Learning (RL), a subfield of machine learning and artifical intelligence, is a learning paradigm where an artificial agent learns to reach a predefined goal by trying to maximize a reward signal while ...

Geopolitics of Violent Non-State Actors: Exploring manifestations of statehood by violent governors 

Nizzero, Maria (Date of defense: 2024-02-22)

In the twentieth century, violent non-state actors (VNSAs) have emerged as significant contenders to states. These entities thrive in areas of low (or non-existent) formal state control and engage in the delivery of public ...

Interactive language learning in deep network agents 

Dessí, Roberto (Date of defense: 2024-04-12)

Recent advances in language modeling led to remarkable performance in many NLP applications. However, the static and passive learning imposed by the nexttoken- prediction objective makes models suboptimal when deployed in ...

Exploring the boundaries of aromaticity through computational analysis of excited states and complex molecular topologies 

Escayola Gordils, Sílvia (Date of defense: 2024-05-14)

Aromaticity is a widely used concept in the prediction, design, and understanding of key aspects related to reactivity, structure, and properties of molecules. Linked to cyclic or three-dimensional molecular systems, it ...

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