The topological Bárány–Larman conjecture for prime numbers
The topological Bárány–Larman conjecture for prime numbers, and counterexamples to extending the optimal colorful Tverberg theorem to prime powers.
29 papers
Partitions, convex hulls, and intersection patterns. Colorful, tolerant, quantitative, and topological versions of Tverberg’s theorem.
The topological Bárány–Larman conjecture for prime numbers, and counterexamples to extending the optimal colorful Tverberg theorem to prime powers.
Discrepancy-theoretic bounds for Tverberg partitions with tolerance, for point sets and for regression hulls of hyperplanes.
Colorful and fractional intersection theorems for convex families whose intersection contains an affine k-flat.
Selection structures extend the role of color classes and matroids in KKM theorems and discrete geometry.
Topological Tverberg cores, vertex-deletion tolerance, and consequences for Kalai’s cascade conjecture.
Accepted to Discrete Comput. Geom.
Trans. Amer. Math. Soc. 379 (2026), no. 5, 3665–3691.
39th International Symposium on Computational Geometry, Art. No. 55, 14 pp., LIPIcs 258.
Acta Mathematica Hungarica 167, 385–392.
J. Combin. Theory Ser. A 182, Article 105465.
Combinatorics, Probability and Computing 27 (3), 427–440.
Bull. Amer. Math. Soc. 55 (4), 459–492.
Discrete Comput. Geom. 58 (2), 435–458.
Discrete Geometry and Convexity: in honour of Imre Bárány, edited by Gergely Ambrus, Károly J. Böröczky and Zoltán Füredi, 97–101. ISBN 978 963 279 963 6.
Discrete Comput. Geom. 57 (2), 318–334.
Combinatorica 35 (2), 235–252.