Burnside Hall 1248, McGill Department of Mathematics
805 Sherbrooke Street West
Montreal, Quebec H3A 0B9.
Mail: branchereauromain [dot] math [at] gmail [dot] com
Romain Branchereau
Research interests
Number theory, theta lifts, cohomology of locally symmetric spacesPapers
- Theta correspondence and the Borisov-Gunnells relations
Submitted - A regularized theta lift on the symmetric space of SLN
Submitted - Eisenstein classes and generating series of modular symbols in SLN
Submitted - Kudla-Millson lift of toric cycles and restriction of Hilbert modular forms
Mathematische Zeitschrift, vol. 309, Article no. 57, 2025 - An upper bound on the denominator of Eisenstein classes in Bianchi manifolds
Annales de l'Institut Fourier, Tome 76 (2026) no. 1, pp. 1-50 - Maximal operators on hyperbolic triangles (with S. Bronstein and A. Gauvan)
Collectanea Mathematica, vol. 76, no. 1, 2025, pp. 51-63 - The Kudla-Millson form via the Mathai-Quillen formalism
Canadian Journal of Mathematics, vol. 76, no. 5, 2024, pp. 1638-1663 - Diagonal restriction of Eisenstein series and Kudla-Millson theta lift
Forum Mathematicum, vol. 35, no. 5, 2023, pp. 1373-1418 - Diagonal restriction and denominators of some Eisenstein cohomology classes (Phd Thesis, 2022)
Teaching
- Fall 2025 (McGill): Math 518 -- Introduction to Algebraic Geometry
- Winter 2025 (McGill): Math 346/377 -- Number theory
- Fall 2024 (McGill): Math 133 -- Linear algebra and geometry
- Fall 2023 (McGill): Math 133 -- Linear algebra and geometry
- Summer 2023 (U of M): Math 1210 -- Techniques of Classical and Linear Algebra
- Winter 2023 (U of M): Math 1210 -- Techniques of Classical and Linear Algebra
- Fall 2021 (ENS): Student seminar -- Elliptic curves
- Fall 2020 (ENS): Student seminar -- Lie algebras
- Fall 2019 (ENS): Student seminar -- Arithmetic of quadratic forms
- 2015-2018 (ETHZ): Teaching assistant for calculus 1 and 2