Website of Pierre-Yves Bienvenu
Who am I?
I am currently a postdoctoral researcher at TU Wien, at the Institute for Discrete mathematics and Geometry.
Previous appointments:
- 2022-2023: Teaching Fellow at Trinity College Dublin.
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2021-2022: postdoc at the Technische Universität Graz in Austria,
in the Institute of Analysis and Number Theory,
belonging to the franco-austrian project Arithrand.
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2020-2021: postdoc at the Max Planck Institute for Mathematics, Bonn, Germany.
- 2018-2020: MiLyon postdoc at
the Institut Camille Jordan (ICJ), Lyon/St-Etienne, France.
- Spring 2018: Lecturer at the American University in Paris.
- 2014-2018: PhD at the University of Bristol, where my PhD supervisor was Julia Wolf.
My doctoral thesis, which I defended in June 2018, was entitled
"Linear, bilinear and polynomial configurations in function fields and the primes."
More details in my CV.
Area of research
My research combines analytic, combinatorial, probabilistic and algebraic methods to solve
arithmetical problems. It belongs to the area called arithmetic combinatorics, which has intense interactions with number theory, extremal combinatorics, harmonic analysis,
ergodic theory, and various topics of theoretical computer science, such as error correcting codes, pseudorandomness etc.
A few keywords:
- Higher order Fourier analysis.
- Configurations of prime numbers, Green-Tao method.
- Finite fields and polynomial rings over them.
- Sum-product estimates.
- Density of sumsets.
Contact
Institute for Discrete Mathematics and Geometry (E104)
TU Vienna
08-10 Wiedner Hauptstrasse
1040 Wien
Austria
My office there is DA 05 H22.
e-mail : pierre.bienvenu [at] tuwien.ac.at
Publications and preprints
- Realisability of simultaneous density constraints for sets of integers.
- Intersective sets for sparse sets of integers (with John T. Griesmer, Anh N. Le and Thái Hoàng Lê).
Published online in Erg. Theory. Dyn. Sys.
- On algebraic properties of power monoids of numerical monoids (with Alfred Geroldinger).
Published online in Isr. J. Math.
- Metric decomposability theorems on sets of integers.
Bulletin of the London Mathematical Society,
55 (2023), no. 6, 2653-2659.
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A transference principle for systems of linear equations, and applications to almost twin primes (with Fernando Shao and Joni Teräväinen).
Algebra and Number Theory 17 (2023), No. 2, 497-539.
- On additive bases in infinite abelian semigroups (with Benjamin Girard and Thái Hoàng Lê).
Journal of Combinatorial Algebra 7 (2023), no. 1/2, 1-44.
- Kneser's theorem in sigma-finite Abelian groups (with François Hennecart).
Canadian Mathematical Bulletin 65 (2022), no. 4, 936-942.
- On the density or measure of sets and their sumsets in the integers or the circle (with François Hennecart).
Journal of Number Theory 212 (2020), 285-310.
- A note on the Bilinear Bogolyubov Theorem: Transverse and bilinear sets (with Ángel Martínez and
Diego González-Sánchez).
Proceedings of the American Mathematical Society 148 (2020), 23-31.
- A note on the set A(A+A) (with François Hennecart and Ilya Shkredov).
Moscow Journal of Combinatorics and Number theory 8 (2019), no. 2, 179-188.
- Linear and quadratic uniformity of the Möbius function over F_q[t] (with Thái Hoàng Lê).
Mathematika 65 (2019), no. 3, 505-529.
- A bilinear Bogolyubov theorem (with Thái Hoàng Lê).
European Journal of Combinatorics 77 (2019), 102-113.
- Polynomial equations in function fields.
Oxford Quarterly Journal of Mathematics 68 (2017), no. 4, 1395-1398.
- A Higher-Dimensional Siegel-Walfisz theorem.
Acta Arithmetica 179 (2017), no. 1, 79-100.
- Asymptotics for some polynomial patterns in the primes.
Proceedings of the Royal Society of Edinburgh Section A 149 (2019), no. 5, 1241-1290.
Teaching at Trinity College Dublin 2022-2023
- Michaelmas term 2022:
- Hilary Term 2023:
- The Theory of Linear Programming (MAU34802)
- Engineering Mathematics II (MAU11E02)
Previous Teaching Experience
- Spring 2022: I taught a master's level course of Combinatorial and Additive Number Theory at TU Graz.
- Spring 2020: exercise classes of Probability theory in Jussieu (second year)
- Automn 2019: exercise sessions of graph theory and optimisation at Télécom Saint-Étienne.
- Spring 2018: lecturer at the
American University in Paris.
I taught Precalculus and Applied Statistics.
- 2014-2016: in Bristol, I was teaching assistant in various courses.