The event took place from August 5 to 8, 2025, at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio). It celebrated Carlos Tomei’s contributions to areas such as Differential Equations, Combinatorics, Spectral Theory, Numerical Analysis, and Integrable Systems, bringing together former students, colleagues, and students from different generations. Talks were held in morning and afternoon sessions from Tuesday to Thursday, and on Friday morning.