Alessandra Celletti (mathematician)

Alessandra Celletti is an Italian mathematician known for her research in celestial mechanics, dynamical systems, and Hamiltonian mechanics. Her work focuses on the stability of motion in the solar system, the study of resonances, and the development of perturbative methods for analyzing complex dynamical systems.

Celletti received her doctorate in mathematics from the University of Rome "La Sapienza." She is currently a professor of numerical analysis at the University of Rome Tor Vergata.

Her research contributions include significant advancements in understanding the long-term stability of asteroids and planetary orbits. She has also worked extensively on the Arnold diffusion problem and other aspects of Hamiltonian dynamics. Celletti has authored numerous research articles and books in her field, contributing significantly to the mathematical understanding of celestial mechanics and related areas. Her work is recognized internationally through collaborations, invited lectures, and membership in various scientific organizations.