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General Information
| Full Name | Béranger Seguin (Dr.) |
| Contact | math[at]beranger-seguin[dot]fr |
| Languages | French (native), English, German. Beginner in Dutch and Hungarian. Esperanto. |
Academic Interests
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Arithmetic geometry and number theory
- Arithmetic statistics, notably asymptotics of field extensions
- Moduli spaces of covers/curves and their homology
- Absolute Galois groups of local fields, wild ramification
- Inverse Galois theory
- Galois representations and their deformations
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Side interests
- Grothendieck-Teichmüller theory, anabelian geometry
- Non-commutative algebra, skew fields, central simple algebras
- Logic, model theory, proof theory, formalized mathematics
- Model categories, higher category theory
Employment
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2023-now Postdoctoral researcher
Institut für Mathematik, Universität Paderborn, Germany - Arbeitsgruppe Computeralgebra und Zahlentheorie
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2020-2023 PhD Candidate
Laboratoire Paul Painlevé, Université de Lille, France
DMA, École Normale Supérieure, Paris, France
Education
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2023 PhD in Mathematics — Geometry and Arithmetic of Components of Hurwitz Spaces
Université de Lille, France - Defended on July 6th, 2023
- Supervised by Pierre Dèbes and Ariane Mézard
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2019 Master of Fundamental Mathematics
Sorbonne Université (Jussieu), Paris, France -
2016-2020 Student — ENS Graduate Degree
École Normale Supérieure, Paris, France -
2014-2016 Scientific preparatory classes
Lycée Fabert, Metz, France -
2014 AbiBac — High School Diploma
Lycée Jean-Victor Poncelet, Saint-Avold, France - German Abitur and French Baccalauréat
Publications
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2024 Counting Components of Hurwitz Spaces [arxiv]
- accepted for publication in the Israel Journal of Mathematics
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2024 Study of a division-like property (with Robin Khanfir) [preprint] [doi]
- published in the Journal of Algebra and its Applications
Preprints
Teaching
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2020-2023 Teaching assistant for 2nd year students
Cycle pluridisciplinaire d'études supérieures (CPES), PSL, Paris - "Fundamental Mathematics", 2 hours/week
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2020 Introduction to Proof Theory
Cours aux Ernests, ENS, Paris
Internships
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2019 Internship — Writing of my master's thesis — Deformations of Galois representations
Institut de Mathématiques de Bordeaux, France - Supervised by Xavier Caruso
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2018 Research internship abroad (5 months) [report]
Rényi Alfréd Matematikai Kutatóintézet, Budapest, Hungary - Supervised by Szamuely Tamás
Other
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Computer skills
- Programming/Web: Python, C#, JavaScript, HTML5/CSS, PHP
- Typesetting: LaTeX, typst
- GAP, SAGE
- Lean (beginner)
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Music
- Jazz and fusion, prog rock, microtonal music, chanson française
- Saxophone, clarinet, trumpet, bass, guitar, piano
- Songwriting, composition, arranging, mixing and music production
- Numerous band experiences (mostly jazz)
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Hobbies
- Linguistics and language learning, Esperanto
- Bike travel and hiking
- Crochet