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I am a postdoc at the Jagiellonian university in Krakow, working with Paweł Borówka. Before that, I did postdocs in St Andrews with Yoav Len and in Cambridge with Dhruv Ranganathan.
My email address is thibault.poiret5 [at] gmail [dot] com.
I am an algebraic geometer. My main interests are compactifications of moduli spaces, families of curves and abelian varieties, logarithmic geometry, tropical geometry.
Publications:
"Log geometry and lifting rational points" Forum of Mathematics, Sigma. 2026;14:e129. doi:10.1017/fms.2026.10275 https://doi.org/10.1017/fms.2026.10275, with Leo Herr, Sara Mehidi and Marta Pieropan.
"Moduli of finite flat torsors over nodal curves" (2025), J. London Math. Soc., 112: e70220. https://doi.org/10.1112/jlms.70220, with Sara Mehidi
"Models of Jacobians of curves" Journal für die reine und angewandte Mathematik (Crelles Journal), vol. 2023, no. 801, 2023, pp. 115-159. https://doi.org/10.1515/crelle-2023-0031, with David Holmes, Samouil Molcho and Giulio Orecchia
"Néron models of Jacobians over bases of arbitrary dimension" epiga:7340 - Épijournal de Géométrie Algébrique, September 21, 2022, Volume 6 - https://doi.org/10.46298/epiga.2022.7340
"Néron models in high dimension: Nodal curves, Jacobians and tame base change" (PhD thesis)
Preprints:
"The many faces of a logarithmic scheme" (2024, with Dhruv Ranganathan) https://arxiv.org/abs/2412.12078
Conferences/seminars
In 2025-2026 I organized the geometry seminar of the university of St Andrews.
On 18-19 April 2024, I organized a GLEN workshop with Johan Martens on tropical geometry in St Andrews.
Some of my favourite things include: bouldering, really good movies, really bad movies, math puns, and of course Artin stacks.
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