Abstract

This symposium is being organized in honor of Professor Emeritus Sylvio Ferraz-Mello (University of São Paulo, Brazil). On the occasion of his 90th birthday, we wish to celebrate his exceptional career and highlight his close ties to the Paris Observatory. Sylvio earned his Doctor of State in Mathematical Sciences in 1967 under the supervision of Jean Kovalevsky. He was awarded an honorary doctorate from the Observatory in 2007 and received the Brouwer Prize from the American Astronomical Society in 2015, the highest honor in celestial mechanics in the United States.

Sylvio is one of the founders of modern celestial mechanics, a field with a wide range of applications, from the natural satellites of the solar system to exoplanets. His areas of research range from mathematical problems related to resonances and the calculation of ephemerides to physical phenomena such as tides. Several people in France (and in other countries) began or advanced their scientific careers under his guidance.

Scientific justification

The purpose of this symposium is not only to celebrate his career, but also to bring together colleagues who work or have worked with him, as well as students whose research is directly related to the topics explored by Sylvio.

Special emphasis will be placed on tidal models and their effects within the solar system. Since more than half of the participants are currently involved in this field, this meeting will provide an opportunity to compare different results and establish new collaborations.

Preliminary program

The topics to be covered will include: tidal effects, dynamics of exoplanetary systems, resonances in collision disks, and ephemerides. These topics are at the forefront of current research, and Sylvio is actively involved in this work.

Proposed participants:
– Sylvio Ferraz-Mello (Prof. Emérite, Univ. Sao Paulo, Brésil)
– Jean-Eudes Arlot (Obs. Paris)
– Gwenaël Boué (Obs. Paris)
– Alessandra Celletti (Univ. Rome, Italie)
– Alexandre Correia (Coimbra, Portugal)
– Rudolf Dvorak (Univ. Vienne, Autriche)
– Zoran Knežević (Académie des Sciences Serbe)
– Jacques Laskar (Obs. Paris)
– Valéry Lainey (Obs. Paris)
– Anne Lemaître (Namur, Belgique)
– Alessandro Morbidelli (Obs. Nice)
– Ettore Perozzi, chercheur retraité, Rome (Italie)
– Philippe Robutel (Obs. Paris)
– Bruno Sicardy (Obs. Paris)
– William Thuillot (Obs. Paris)