If you have registered to attend the conference and you are looking a place to stay during your visit, the useful links below may help you:
List of hotels located in IHES area
List of hotels located in downtown Paris (Quartier Latin)
Paris-Toujours: a tailor-made service in downtown Paris (accomodation, transfers, visits...) Paris-Toujours: a tailor-made service in downtown Paris (accomodation, transfers, visits...)