Seminar of the Combinatorial Geometry Research Group

2022 Fall Semester - every Wednesday at 12:15 in room 3-517, ELTE

November 30, 2022
Géza Tóth: Helly-type theorems for the ordering of the vertices of a hypergraph

Bibliography:
Csaba Biró, Jenő Lehel, Géza Tóth: Helly-type theorems for the ordering of the vertices of a hypergraph, arXiv

November 23, 2022
Balázs Keszegh: On the Erdős-Tuza-Valtr Conjecture

Bibliography:
Jineon Baek: On the Erdős-Tuza-Valtr Conjecture, arXiv

November 16, 2022
No seminar
November 9, 2022
Márton Naszódi: Illumination of sets of constant width in $d$-space

Bibliography:
Oded Schramm: Illumination of sets of constant width, Mathematika 35, 180–189 (1988)

November 2, 2022
Fall break, no seminar
October 26, 2022
Péter Ágoston: Colorful Words and d-Tverberg Complexes

Bibliography:
Florian Frick, R. Amzi Jeffs: Colorful Words and d-Tverberg Complexes, arXiv

October 19, 2022
Arsenii Sagdeev: More on lines in Euclidean Ramsey theory

Bibliography:
David Conlon, Yu-Han Wu: More on lines in Euclidean Ramsey theory, arXiv

October 12, 2022
Jakob Führer: An improved construction of progression-free sets

Bibliography:
Michael Elkin: An improved construction of progression-free sets, Israel Journal of Mathematics 184, 93 (2011)

October 5, 2022
Gábor Damásdi: Lower bounds for piercing and coloring boxes

Bibliography:
István Tomon: Lower bounds for piercing and coloring boxes, arXiv

September 28, 2022
Nóra Frankl: Distinct Angles in General Position

Bibliography:
Henry L. Fleischmann, Sergei V. Konyagin, Steven J. Miller, Eyvindur A. Palsson, Ethan Pesikoff, Charles Wolf: Distinct Angles in General Position, arXiv


Dömötör Pálvölgyi: Unique-Neighbor Codes

Bibliography:
Nati Linial, Idan Orzech: Bounds on Unique-Neighbor Codes, arXiv

September 21, 2022
Attila Jung: Monochromatic Equilateral Triangles in the Unit Distance Graph

Bibliography:
Eric Naslund: Monochromatic Equilateral Triangles in the Unit Distance Graph, arXiv