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Department of Pure Mathematics and Mathematical Statistics

I am currently a postdoctoral Research Associate at the University of Cambridge, working with Prof. Julian Sahasrabudhe. My main research interests lie in additive combinatorics, harmonic analysis and number theory. 

In August 2025, I obtained my DPhil (PhD) from the University of Oxford, where I was fortunate to be supervised by Prof. Ben Green.  From May 2022 until August 2025, I was also a Lecturer I at Magdalen College, Oxford. Before that, I did my BA and MMath at St John’s College, University of Oxford.

My Cambridge University email address is: bb741 (at) cam.ac.uk 

Highlighted recent publications:

  • Polynomial bounds for the Chowla cosine problem. B. Bedert, preprint available here. (See also this blog post.)

  • Large sum-free subsets of sets of integers via L^1 estimates for trigonometric series. B. Bedert, online preprint available here. (See also this article in Quanta Magazine, and these blogs: 1, 2.)

Publications

The Lovász conjecture holds for moderately dense Cayley graphs
B Bedert, A Muyesser, N Draganić, M Pavez-Signé
(2026)
Riesz products and the Lonely Runner Conjecture: A wider gap of loneliness
B Bedert
(2025)
Polynomial bounds for the Chowla Cosine Problem
B Bedert
(2025)
On Graham's rearrangement conjecture over F_2^n
B Bedert, N Kravitz, A Muyesser, M Bucic
(2025)
Large sum-free subsets of sets of integers via L1-estimates for trigonometric series
B Bedert
(2025)

Room

C1.11