Hadrien Notarantonio → This webpage is not active anymore, see the new one here.

PhD student in Computer Algebra at Université Paris-Saclay.

Interests: Effective Algebraic Geometry, Combinatorics, Algebraic Functional Equations.

PhD Advisors: A. Bostan, F. Chyzak, and M. Safey El Din.

Affiliated teams: MATHEXP (Inria Saclay) & PolSys (Sorbonne Université).



  1. Effective algebraicity for solutions of systems of functional equations with one catalytic variable (with S. Yurkevich).
    Submitted, 12 pages. [pdf]


  1. Algorithms for Discrete Differential Equations of Order 1 (with A. Bostan, F. Chyzak, and M. Safey El Din).
    Proceedings ISSAC'22, pp.101–110, ACM Press, 2022. [pdf]


  1. I am currently co-organizing the MATHEXP-Polsys seminar.

Talks and lectures

  1. Talk: Alea days 2022 [pdf]

  2. Talk: Functional Equations in LIMoges (FELIM) 2022 [pdf]

  3. Talk: International Symposium on Symbolic and Algebraic Computation (ISSAC) 2022 [pdf]

  4. Lecture (part 1 + part 2): On the algebraicity of solutions of functional equations with one catalytic variable. GT Transcendance et Combinatoire.



  1. Data structures for Licence 2nd year students at Sorbonne Université. (2021 → 2023)