| Ημερομηνία | Τίτλος | Συγγραφέας | Κείμενο Διατριβής |
| 2023 | Unifying the origins of baryon asymmetry and dark matter through freeze-in | Παπαχρήστου, Παντελής Γ. |  |
| 1993 | Unitary matrix models: a study of the string equation | Αναγνωστόπουλος, Κωνσταντίνος Ν. | |
| 2021 | Universality of path algebra for recommendation problems | Κυριακίδη, Μαρία-Ελένη Δ. | |
| 2022 | Unprojection theory, applications to Algebraic Geometry and anisotropy of Simplicial Spheres | Πετρωτού, Βασιλική Κ. | |
| 2019 | Unraveling the biological role of two putative polysaccharide deacetylases from Bacillus anthracis | Τοματσίδου, Αναστασία Ι. | |
| 2013 | Unraveling the molecular basis of pyrethroid resistance in dengue vector aedes aegypti | Μπαριάμη, Βασιλική Σ. | |
| 2019 | Unsupervised co-segmentation of actions in motion capture data and videos | Παπουτσάκης, Κωνσταντίνος Ε. | |
| 2017 | Unvealing the physics of the most active of galaxies: connecting blazar theory and observations | Λιοδάκης, Ιωάννης Ε. | |
| 2020 | The upgraded ATLAS detector for the search of new physics with diboson final states | Σαμψωνίδου, Δέσποινα Δ. | |
| 2018 | Upgrade of the (barrel) muon trigger electronic system of the CMS experiment at CERN | Λούκας, Νικήτας Κ. | |
| 2010 | Upper bounds on the values of the positive roots of polynomials | Βίγκλας, Παναγιώτης Σ. | |
| 2022 | Urban and social data analysis techniques for knowledge extraction in smart cities | Μουστάκα, Βάια Γ. | |
| 2023 | Urban data analytics and applications in the big data era | Τομαράς, Δημήτριος Ν. | |
| 2015 | Use of bayesian techniques in hydroclimatic prognosis | Τύραλης, Χρήστος Β. | |
| 2021 | Use of geospatial technologies and hydroacoustics of monitoring aquatic ecosystems | Περιβολιώτη, Τριανταφυλλιά-Μαρία Γ. | |
| 2020 | Use of remote sensing and geographic information systems in mapping flood extent and assessing flood hazard: application example: Evros's tributary, Erythropotamos river | Δομακίνης, Χρήστος Α. | |
| 2017 | User behavior analysis on social web with knowledge discovery techniques | Χατζάκου, Δέσποινα Δ. | |
| 2023 | User crowdsourced and crowdsensed data and artificial intelligence enhanced mobile apps for smart tourism and smart cities | Κοντογιάννη, Αριστέα Σ. | |
| 2014 | User experience with portable IT artefacts: affective attributer of tablets and their role in sensemaking | Ζαμάνη, Ευπραξία Δ. | |
| 2021 | User-level services for multitenant isolation | Καππές, Γεώργιος Ε. | |
