% acknowledgements
I would like to express my deepest and most sincere gratitude to my advisor, Professor Angelo Bonfitto, for his guidance, continuous support, and academic insight throughout the development of this thesis. His constant availability, trust, and constructive feedback have been fundamental not only to the completion of this work but also to my personal and professional growth.

A special and heartfelt thank you goes to the Ph.D. candidates, Arash and Alberto, for their dedicated daily assistance. Their technical expertise, patience, and constant encouragement were instrumental to the success of this project. Working alongside them has been both a privilege and an invaluable learning experience.


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