Sébastien Zeitoun
 
 
I am a PhD student at LIRIS,  University of Lyon, since September 2023. I am supervised by Nicolas Bousquet and Laurent Feuilloley.
I work on graphs and distributed algorithms.
Publications and preprints
 
-  Complexity landscape for local certification, with Nicolas Bousquet, Laurent Feuilloley.  DISC2025 (Best Paper Award)
 Arxiv link.
-  Reductions in local certification, with Louis Esperet.  WG2025
 Arxiv link.
-  A subquadratic certification scheme for P5-free graphs, with Nicolas Bousquet.   Theorical Computer Science 
 Arxiv link.
-  Renaming in distributed certification, with Nicolas Bousquet, Louis Esperet, Laurent Feuilloley.
 Arxiv link.
-  Local certification of forbidden subgraphs, with Nicolas Bousquet, Linda Cook, Laurent Feuilloley, Théo Pierron.
 Arxiv link.
-  Brief Announcement: Global certification via perfect hashing, with Nicolas Bousquet, Laurent Feuilloley.  PODC2024
 Arxiv link.
-  Local certification of local properties: tight bounds, trade-offs and new parameters, with Nicolas Bousquet, Laurent Feuilloley.  STACS2024 and SIAM Journal on Discrete Mathematics
 Arxiv link.
 
Talks
You might have heard me talking about:
 2025
-  [slides] Reductions in local certification, WG 2025, Otzenhausen
 2024
-  [slides] Local certification of forbidden subgraphs, JGA 2024, Dijon
-  [slides] Local certification of forbidden subgraphs, Séminaire de Mathématiques discrètes, Laboratoire G-SCOP, Grenoble
-  [slides] Global certification via perfect hashing, PODC 2024, Nantes
-  [slides] Local certification of local properties : tight bounds, trade-offs and new
parameters, STACS 2024, Clermont-Ferrand
 2023
-  [slides] Local certification of local properties : tight bounds, trade-offs and new
parameters, JGA 2023, Villeurbanne
Teaching
I teach computer science in IUT Lyon 1.
 2025-2026 
-  Développement en Java (TP)
-  Développement en C (TP, Projet)
 2024-2025 
-  Développement en Java (TP)
-  Développement en C (TP, Projet)
 2023-2024 
-  Développement en Java (TP)
-  Réseaux (Cours-TD, TP)
Miscellaneous
I am passionate about classical music and especially piano that I practice a lot (see here and here for beautiful interpretations of two of my favourites pieces). I also enjoy hinking, climbing and taking photos in the Alps and Pyrenees (see here for my personal photo website).