Starting from the interest in the history of historiography on the Middle Ages (which has characterized her entire scientific career) and developing knowledge in the paleographic and diplomatics fields, the research interests are now focused on different aspects of the economic and social history of Italy and the medieval Europe, also in camparison with the Eastern wordl. In particular, the main researches topics are the study of the man-environment relationship, the study of settlements dynamics, of private and public architecture, of the production structures and their material aspects, carried on with an interdisciplinary approach ad also diachronic.