Guerlac is a contemporary scholar working in the history of Renaissance philosophy and science, with research focused on the intellectual context of early modern Aristotelianism. Their work examines figures such as Jacques Lefèvre d'Étaples and the role of mathematics in humanist reinterpretations of Aristotelian natural philosophy.
Analyzed Lefèvre d'Étaples's use of mathematics as a pedagogical and clarificatory tool within Aristotelian physics
Contributed to scholarship on the relationship between humanism and Aristotelianism in early modern Europe
Examined the methodological boundaries between mathematical and physical explanation in Renaissance thought