Email: jeck.lim [at] maths.ox.ac.uk
I am a Postdoctoral Research Associate in Combinatorics at the University of Oxford, working with Peter Keevash.
Previously, I obtained my PhD in Mathematics from Caltech in 2025, advised by David Conlon.
Discrete geometry, additive combinatorics
...can be found here.
On exponential Freiman dimension
J. Lim, Akshat Mudgal, Cosmin Pohoata and Xuancheng Shao, submitted.
Sums of algebraic dilates
David Conlon and J. Lim, submitted.
Evasive sets, twisted varieties, and container-clique trees
J. Lim, Jiaxi Nie and Ji Zeng, submitted.
A Purely Geometric Variant of the Gale-Berlekamp Switching Game
Adrian Dumitrescu, J. Lim, János Pach and Ji Zeng, submitted.
Balancing games on unbounded sets
Imre Bárány and J. Lim, to appear in Israel Journal of Mathematics.
Everywhere unbalanced configurations
David Conlon and J. Lim, Advances in Mathematics 480 (2025), Paper No. 110445, 26 pp.
On differences of two harmonic numbers
J. Lim and Stefan Steinerberger, Mathematika 71 (2025), no. 2, e70009.
Sums of dilates over groups of prime order
David Conlon and J. Lim, American Mathematical Monthly 132 (2025), 848-855.
Sums of linear transformations
David Conlon and J. Lim, Transactions of the American Mathematical Society 378 (2025), 7009-7032.
Difference sets in Rd
David Conlon and J. Lim, Israel Journal of Mathematics 267 (2025), 729-748.
Sums of transcendental dilates
David Conlon and J. Lim, Bulletin of the London Mathematical Society 55 (2023), 2400-2406.
Fixing a hole
David Conlon and J. Lim, Discrete & Computational Geometry 70 (2023), 1551-1570.
Algebra of entire Dirichlet series with real frequencies
Le Hai Khoi and J. Lim, Complex Variables and Elliptic Equations (2019), 65:2, 229-244.