Sylvain Perifel The present page is not up to date. I now am professor at Université Sorbonne Paris Nord, at LIPN. New page here. Until 2024 I was “maître de conférences” (senior lecturer) in computer science at université de Paris (ex-Paris Diderot – Paris 7) and IRIF, member of the teams Algorithms and complexity and Automata and applications. Research domains: algorithmic complexity, computation of polynomials, etc. Book on algorithmic complexity My book (in French) on algorithmic complexity is freely available online in pdf here.