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SUMMARY:LYSM Workshop on Hamiltonian Dynamical Systems and Celestial Mecha
 nics January 2026
DTSTART:20260121T080000Z
DTEND:20260123T150000Z
DTSTAMP:20260423T224100Z
UID:indico-event-15295@indico.math.cnrs.fr
DESCRIPTION:Hamiltonian systems are ubiquitous in dynamics\, both in finit
 e or infinite dimension (i.e. stemming from ODEs or PDEs) and the techniqu
 es for their investigation stands at the crossroad of many approaches: per
 turbation theory\, symplectic geometry\, critical point theory\,… just t
 o mention a few. In particular\, the study of evolution equations related 
 to celestial mechanics is quite hard to handle and often requires specific
  involved computations that can be formal\, analytic or/and numerical. The
  interplay of different techniques then becomes crucial.\n \n The purpos
 e of this workshop is to bring together researchers who are working on the
 se topics from different perspectives and focus on the themes listed below
 .\n  \n   * KAM-stability\, i.e. stability over infinite times.\n  * 
 Nekhoroshev stability\, i.e. long-time stability and its counterpart with 
 instabilities due to diffusion phenomena. Application in celestial mechani
 cs\n   * More generally: new symplectic and variational techniques in ce
 lestial mechanics.\n \nSpeakers: \n \nAlain Albouy (LTE-Observatoire de
  Paris)\nDario Bambusi (Univ. degli Studi di Milano)\nAlessandra Celletti 
 (Univ. Tor Vergata\, Roma)\nLuigi Chierchia (Univ. Roma Tre)\nMar Giralt (
 UPC Barcelona & Obs de Paris)\nGiovanni Gronchi (Universita di Pisa)\nRap
 hael Krikorian (Ecole Polytechnique)\nBeatrice Langella (SISSA-Trieste)\nJ
 acques Laskar (LTE-Observatoire de Paris)\nUgo Locatelli  (Univ. Tor Verg
 ata\, Roma)\nJaime Paradela (University of Maryland)\nGabriella Pinzari (U
 niv. degli Studi di Padova)\nMichela Procesi (Univ. Roma Tre)\nAlexandre P
 rieur (LTE-Observatoire de Paris)\nTere M. Seara (UPC\, Barcelona)\nChengy
 ang Shao (IHES\, Univ. Paris Saclay)\nAlfonso Sorrentino (Univ. Tor Vergat
 a\, Roma)\nAndrea Venturelli (Université d'Avignon)\n \nScientific commi
 ttee: \n \n Luca Biasco (Univ. Roma Tre)\n Jessica Massetti (Univ. Tor
  Vergata\, Roma)\n Philippe Robutel (LTE-Observatoire de Paris)\n \nOrga
 nizer: Laurent Niederman (LYSM)\n \nOrganization: \n \n The workshop w
 ill start on Wednesday 21\, in the morning and end on Friday 23 at 16h. \
 n \n Each talk lasts 45 minutes + 5 minutes of questions.\n \n  On Thu
 rsday evening\, you are all invited to the social dinner that will take pl
 ace at the Osteria del Grillo at 8 p.m.\, close to the Pantheon \nhttps://
 www.osteriadelgrillo.com/\n \n IMPORTANT: The registration is free\, but
  compulsory\, considering the limited number of seats in the conference ro
 om\n \n\n \n \n \n \n\n      \n \n \n \n   Sponsors:\n  Uni
 versità Tor Vergata\n  Università Roma Tre\n\nhttps://indico.math.cnrs.
 fr/event/15295/
IMAGE;VALUE=URI:https://indico.math.cnrs.fr/event/15295/logo-1614151239.pn
 g
LOCATION:Conference Room of INdAM (Instituto Nazionale di Alta Matematica)
URL:https://indico.math.cnrs.fr/event/15295/
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