Research topics
- Probability theory, limit theorems
- Stochastic geometry, point processes, random tessellations, random graphs
- Extreme value theory, extremal index, max-stable processes
- Topological data analysis, Čech and Vietoris-Rips complexes
- Uniformly distributed sequences modulo 1, discrepancy
Publications
Peer-reviewed journals
- 1. IDLA with sources in a hyperplane of Zd (with D. Coupier, K. Penner and A. Rousselle), Electronic Journal of Probability, 2025.[PDF]
- 2. Compound Poisson process approximation under β-mixing and stabilization (with M. Otto), Annals of Applied Probability, 2025.[PDF]
- 3. Poisson approximation and D(un) condition for extremes of transient random walks in random sceneries (with A. Darwiche), Statistics and Probability Letters, 2025. [PDF]
- 4. Compound Poisson approximation for simple transient random walks in random sceneries (with A. Darwiche and A. Rousselle), ALEA, 2024. [PDF]
- 5. The bi-dimensional directed IDLA forest (with D. Coupier and A. Rousselle), Annals of Applied Probability, 2023. [PDF]
- 6. Limit laws for large kth-nearest neighbor balls (with N. Henze and M. Otto), Journal of Applied Probability, 2022. [PDF]
- 7. Extremal lifetimes of persistent loops and holes (with C. Hirsch), Extremes, 2022. [PDF]
- 8. Testing goodness of fit for point processes via topological data analysis, (with C. Biscio, A. C. Hirsch and A. M. Svane), Electronic Journal of Statistics, 2020. [PDF]
- 9. The maximal degree in a Poisson-Delaunay graph (with G. Bonnet), Bernoulli, 2020. [PDF]
- 10. Extremes for transient random walks in random sceneries under weak independence conditions (with A. Darwiche), Statistics and Probability Letters, 2020. [PDF]
- 11. The largest order statistics for the inradius in an isotropic STIT tessellation (with W. Nagel), Extremes, 2019. [PDF]
- 12. Cluster size distributions of extreme values for the Poisson-Voronoi tessellation (with C. Y. Robert), Annals of Applied Probability, 2018. [PDF]
- 13. Products of random variables and the first digit phenomenon (with B. Massé and D. Schneider), Stochastic Processes and their Applications, , 2018. [PDF]
- 14. Stretch factor in a planar Poisson-Delaunay triangulation with a large intensity (with O. Devillers), Advances in Applied Probability, 2018. [PDF]
- 15. On the discrepancy of powers of random variables (with D. Schneider), Statistics and Probability Letters, 2018. [PDF]
- 16. Extremes for the inradius in the Poisson line tessellation (with R. Hemsley), Advances in Applied Probability, 2016. [PDF]
- 17. A general study of extremes of stationary tessellations with applications, Stochastic Processes and their Applications, 2014. [PDF]
- 18. Extreme values for characteristic radii of a Poisson-Voronoi Tessellation (with P. Calka), Extremes, 2014. [PDF]
Proceedings
- 1. The extremal index for a random tessellation, Geometric Science of Information, LNCS, Springer, 9389, p. 171-178, 2015.[PDF]
PhD thesis and habilitation
- 1. Extrêmes, géométrie aléatoire, analyse topologique des données et modèle IDLA. N. Chenavier, habilitation defended on December 8, 2022 at Université du Littoral Côte d'Opale. [PDF]
- 2. Valeurs extrêmes de mosaïques aléatoires. N. Chenavier, PhD thesis defended on December 11, 2013 à Université de Rouen, under the supervision of Pierre Calka. [PDF]
Submitted papers
- 1. Central limit theorems for squared increment sums of fractional Brownian fields based on a Delaunay triangulation in 2D (with C. Y. Robert), 2025.[PDF]
- 2. Limit theorems for squared increment sums of the maximum of two isotropic fractional Brownian fields over a fixed-domain (with C. Y. Robert), 2025.[PDF]
- 3. Asymptotic properties of maximum composite likelihood estimators for max-stable Brown-Resnick random fields over a fixed-domain (with C. Y. Robert), 2025.[PDF]
- 4. IDLA with sources in a hyperplane of Zd (with D. Coupier, K. Penner et A. Rousselle), 2024.[PDF]
Talks
Conferences
- Oct. 2025 - Random Geometry, Graphs and Extremes, Dubrovnik (Croatia)
- Feb. 2025 - M2A25 conference, contributed talk, Marrakech (Morocco)
- Dec. 2024 - IMS conference ICSDS 2024, Nice (France)
- Oct. 2024 - Workshop on Random Geometric Systems, Bochum (Germany)
- Jun. 2023 - Stochastic Geometry Days, Dijon (France)
- Jun. 2023 - Extreme Value Analysis, Milan (Italy)
- Nov. 2021 - Regular Variation and Related Themes, Dubrovnik (Croatia)
- Aug. 2021 - Journées M.A.S. (Modélisation Aléatoire et Statistique), Online (session "Probabilities and Algorithms")
- Mar. 2021 - Set Estimation Conference, Online
- Sep. 2019 - Stochastic Geometry Conference, Saint-Petersburg (Russia)
- Jun. 2019 - Extreme Value Analysis, Zagreb (Croatia)
- Jun. 2018 - 40th Conference on Stochastic Processes and their Applications - SPA 2018, Gothenburg (Sweden)
- May 2018 - 12th French-Danish Workshop on Spatial Statistics and Image Analysis in Biology, Aalborg (Denmark)
- Jun. 2017 - Extreme Value Analysis, Delft (Netherlands)
- May 2017 - Workshop on Stochastic Geometry, Stereology and Image Analysis, CIRM (France)
- Oct. 2015 - Geometric Science of Information, Saclay (France)
- Aug. 2015 - Stochastic Geometry Days, Poitiers (France)
- Jun. 2015 - Extreme Value Analysis, Ann Arbor (USA)
- Mar. 2015 - Workshop on Stochastic Geometry, Stereology and Image Analysis, Lingen (Germany)
- Jun. 2013 - Journées de probabilités, Orléans (France)
- Aug. 2012 - Journées M.A.S. (Modélisation Aléatoire et Statistique), Clermont-Ferrand (France)
- Apr. 2012 - Colloque des Jeunes Probabilistes et Statisticiens (JPS)
Invited Talks & International Visits
- Mar. 2024 - Statistics and Data Science Workshop, Sfax (Tunisia)
- Oct. 2023 - Probability and Discrete Mathematics Seminar, Groningen (Netherlands, online)
- Nov. 2019 - Stochastic Geometry Seminar, Karlsruhe (Germany)
- Jan. 2019 - One-week research visit with C. Biscio, C. Hirsch, and A.M. Svane, Aalborg (Denmark)
- Apr. 2018 - One-week research visit with C. Biscio and C. Hirsch, Aalborg (Denmark)
- Feb. 2018 - One-week research visit with W. Nagel, Jena (Germany)
- Feb. 2017 - Stochastic Geometry Seminar, Bochum (Germany)
- Feb. 2017 - One-week research visit with W. Nagel, Jena (Germany)
- Jun. 2016 - Probability Seminar, Osnabrück (Germany)
- Apr. 2016 - Stochastic and Applied Topology Seminar, Haifa (Israel)
- May 2015 - Probability Seminar, Osnabrück (Germany)
- Nov. 2013 - Random Geometry Working Group, Karlsruhe (Germany)
Participation in Scientific Projects
- 2024–2026 - Member of the RT MAIAGES.
- 2012–2023 - Member of the GDR, then RT, GeoSto.
- 2018–2022 - Member of the ANR ASPAG.
- 2019 - Principal investigator of an Exploratory First Support Project (PEPS) for young researchers.
- 2012–2016 - Member of the ANR PRESAGE.
Student Supervision
Master's students
- 2023 – Louise Bayart: some properties of the canonical tessellation of a max-stable field.
- 2022 – Paul Rax: logarithmic fluctuations for the IDLA model (co-supervised with David Coupier and Arnaud Rousselle).
- 2016–2017 – Killian Even-Baptiste: IDLA model for a Poisson-Voronoi tessellation (co-supervised with David Coupier and Arnaud Rousselle).
[Cofund] PhD topic
PhD students
- 2022–2025 – Keenan Penner: IDLA forest (PhD co-supervised with David Coupier and Arnaud Rousselle).
- 2017–2020 – Ahmad Darwiche: new results on extremes generated by dynamical systems (co-supervised with Dominique Schneider).