Research catalog
Publications
Browse by topic, year, coauthor, or type of work. A paper can appear in several lists.
No papers match these filters. Try another search or clear the filters.
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.
Discrepancy theory, Tverberg's theorem, and regression depth
Discrepancy-theoretic bounds for Tverberg partitions with tolerance, for point sets and for regression hulls of hyperplanes.
Helly and Radon theorems for convex intersections containing k-flats
Colorful and fractional intersection theorems for convex families whose intersection contains an affine k-flat.
Four hyperplanes do not always equipartition a mass in ℝ⁴
A smooth positive density in four dimensions that admits no equipartition into sixteen equal parts by four affine hyperplanes.
KKM theorems and discrete geometry beyond matroids
Selection structures extend the role of color classes and matroids in KKM theorems and discrete geometry.
Tverberg cores and Kalai’s cascade conjecture
Topological Tverberg cores, vertex-deletion tolerance, and consequences for Kalai’s cascade conjecture.
Improved Tverberg theorems for certain families of polytopes
Discrete Comput. Geom. (76) pp. 1960-1970
Colorful and Quantitative Variations of Krasnosselsky's Theorem
Studia Sci. Math. Hungar. 62 (2025), no. 4, 336–353.
Cookie cutters: Bisections with fixed shapes
Adv. in Appl. Math. 171, Paper No. 102957, 15 pp.
Generalizations of the Yao–Yao partition theorem and the central transversal theorem
Discrete Comput. Geom. 71 (4), 1381–1402.
Bisections of mass assignments using flags of affine spaces
Discrete Comput. Geom. 72 (2), 550–568.
Complex analogues of the Tverberg–Vrećica conjecture and central transversal theorems
Trans. Amer. Math. Soc. 379 (2026), no. 5, 3665–3691.
Combinatorial Depth Measures for Hyperplane Arrangements
39th International Symposium on Computational Geometry, Art. No. 55, 14 pp., LIPIcs 258.
Lifting methods in mass partition problems
Int. Math. Res. Not. IMRN 2023 (16), 14103–14130.
Fair distributions for more participants than allocations
Proc. Amer. Math. Soc., Ser. B 9, 404–414.
Counterexamples to the Colorful Tverberg Conjecture for Hyperplanes
Acta Mathematica Hungarica 167, 385–392.
Isometric and affine copies of a set in volumetric Helly results
Comput. Geom. 103, Paper No. 101855.
Quantitative combinatorial geometry for concave functions
J. Combin. Theory Ser. A 182, Article 105465.
Prescribing Symmetries and Automorphisms for Polytopes
Polytopes and Discrete Geometry, Contemporary Mathematics 764, American Mathematical Society, 221–233.
The topological Tverberg problem beyond prime powers
A Note on the Maximum Rectilinear Crossing Number of Spiders
J. Combin. Math. Combin. Comput. 113, 127–139.
Robust Tverberg and colorful Carathéodory results via random choice
Combinatorics, Probability and Computing 27 (3), 427–440.
Tverberg’s theorem is 50 years old: a survey
Bull. Amer. Math. Soc. 55 (4), 459–492.
Quantitative Tverberg theorems over lattices and other discrete sets
Discrete Comput. Geom. 58 (2), 435–458.
Tensors, colors, and convex hulls
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.
Helly’s Theorem: New Variations and Applications
Algebraic and Geometric Methods in Discrete Mathematics, Contemporary Mathematics 685, American Mathematical Society, 55–95.
Quantitative combinatorial geometry for continuous parameters
Discrete Comput. Geom. 57 (2), 318–334.
Positive-fraction intersection results and variations of weak epsilon-nets
Monatshefte für Mathematik 183 (1), 165–176.
Computing the Partition Function for Graph Homomorphisms with Multiplicities
J. Combin. Theory Ser. A 137, 1–26.
Measure Partitions Using Hyperplanes with Fixed Directions
Israel J. Math. 212 (2), 705–708.
About an Erdős–Grünbaum conjecture concerning piercing of non bounded convex sets
Discrete Comput. Geom. 53 (4), 941–950.
Equal coefficients and tolerance in coloured Tverberg partitions
Combinatorica 35 (2), 235–252.
Piercing Numbers for Balanced and Unbalanced Families
Discrete Comput. Geom. 45 (2), 358–364.


































