I am a BMS Dirichlet postdoctoral fellow working in Professor Tibor Szabó's Combinatorics and Graph Theory group at Freie Universität Berlin. Before this, I completed my PhD at Monash University under the supervision of Professor Ian Wanless. A copy of my CV is available here.
Email: allsop AT mi DOT fu-berlin DOT de
Research output
My main research area is combinatorics, with a particular focus on combinatorial design theory.
Journal publications
J. Allsop, A. Lamaison, R. Lang, and S. Rathke. Spanning Components and Surfaces Under Minimum Vertex Degree. Combinatorics, Probability and Computing. Accepted for publication. [arXiv]
J. Allsop, D. Kotlar, and I. M. Wanless. Outline Rectangles, Allocations, and Latin Young Diagrams. Discrete Mathematics. Accepted for publication. [arXiv]
J. Allsop, K. Hendrey, G. Royle, A. Southwell, J. Tan, I. M. Wanless, and D. R. Wood. Latin Tableaux. 2025 Matrix Annals Part 1. 9. (2026). pp. 387–400.
J. Allsop and I. M. Wanless. Perfect 1-factorisations of K₁₁,₁₁. Australasian Journal of Combinatorics. 95.1. (2026). pp. 114–130. [arXiv, journal]
J. Allsop. Isotopisms of quadratic quasigroups. Algebraic Combinatorics. 9.1. (2026). pp. 75–94. [arXiv, journal]
J. Allsop and I. M. Wanless. Commuting pairs in quasigroups. Journal of Combinatorial Designs. 33.11. (2025). pp. 418–427. [arXiv, journal]
J. Allsop and I. M. Wanless. Subsquares in random Latin rectangles. Combinatorica. 45.3. (2025). Paper No. 29. [arXiv, journal]
J. Allsop and I. M. Wanless. Row-Hamiltonian Latin squares and Falconer varieties. Proceedings of the London Mathematical Society. 128.1. (2024). Paper No. e12575. [arXiv, journal]
J. Allsop. Cycles of quadratic Latin squares and antiperfect 1-factorisations. Journal of Combinatorial Designs. 31.9. (2023). pp. 447–475. [arXiv, journal]
J. Allsop and I. M. Wanless. Degree of orthomorphism polynomials over finite fields. Finite Fields and Their Applications. 75. (2021). Paper No. 101893. [arXiv, journal]
Conference publications
J. Allsop, D. Kotlar, and I. M. Wanless. On the wide partition conjecture for free matroids. Proceedings of the 13th European Conference on Combinatorics, Graph Theory and Applications. 2025. pp. 32–36.
Submitted Preprints
J. Allsop, C. Bowtell, T. Lesgourgues, and K. Petrova. Improved bounds on completion of partial Latin squares. [arXiv]
J. Allsop and P. Morris. Universal probability bounds for partial Latin squares. [arXiv]
J. Allsop and I. M. Wanless. Latin squares without proper subsquares. [arXiv]
Theses
J. Allsop. Latin Subrectangles. PhD Thesis. Monash University. (2025).
J. Allsop. Row-Hamiltonian Latin squares. Honours Thesis. Monash University. (2021).
Research talks
Invited/Plenary talks
Joint FU Berlin-UPC Workshop on Extremal and Probabilistic Combinatorics, December 2025, Barcelona, Spain.
Student Symposium in Combinatorics 2022, June 2022, online.
Conference and Workshop talks
First Bulgarian Workshop in Probabilistic and Extremal Combinatorics, August 2026, Oryahovitsa, Bulgaria.
Discrete Mathematics Days 2026, June 2026, Granada, Spain.
Berlin-Poznań-Hamburg-Warsaw Seminar in Discrete Mathematics 2026, May 2026, Będlewo, Poland.
46th Australasian Combinatorics Conference, December 2024, Brisbane, Australia.
45th Australasian Combinatorics Conference, December 2023, Perth, Australia.
Constructive and Probabilistic Methods in Combinatorics, September 2023, Zagreb, Croatia.
44th Australasian Combinatorics Conference, December 2022, online.
43rd Australasian Combinatorics Conference, December 2021, online.
5th Australian Algebra Conference, November 2021, online.
Seminar talks
University of Passau Discrete Mathematics Seminar, May 2026.
Freie Universität Berlin Combinatorics Research Seminar, April 2026.
University of Passau Discrete Mathematics Seminar, February 2025.
Freie Universität Berlin Combinatorics Research Seminar, January 2025.
Monash Discrete Mathematics Seminar, September 2024.
Monash Discrete Mathematics Seminar, March 2024.
Charles University Noon lectures, October 2023.
KU Leuven Kulak Algorithmic Graph Theory Seminar, September 2023.
University of St Andrews Algebra and Combinatorics Seminar, September 2023.
Dublin City University Combinatorics Seminar, September 2023.
Monash Discrete Mathematics Seminar, February 2023.
Monash Discrete Mathematics Seminar, October 2022.