Geometry Seminar, Rényi Institute, Spring 2021



Unfortunately, the seminar is still on Zoom. We merged it with the ELTE Combinatorial Geometry Seminar.
New name: Budapest Big Combinatorics + Geometry Seminar.


Zoom link: https://zoom.us/j/96029300722
Password: first six Fibonacci numbers.


Recordings of presentations


February 5. Natan Rubin: Stronger bounds for weak Epsilon-Nets
February 12. Sergey Avvakumov: Triangulations of the projective space
February 19. Barak Weiss: New bounds on the covering density of lattices
February 26. Wolfgang Mulzer: Long Alternating Paths Exist
March 5. 4.00: James Davies: Circle graphs are quadratically chi-bounded
March 10-12. Euclidean Ramsey Workshop
March 19. Ramon van Handel: Some unusual extremal problems in convexity and combinatorics
March 26. Pablo Soberón: Quantitative Helly theorems
April 2. Madhu Sudan: (Deterministic) Communication Amid Uncertainty
April 9. 37th EuroCG 2021, Saint Petersburg, Russia, April 7-9, 2021.
April 16. Endre Csóka: Upper bounds for the necklace folding problems
April 23.
April 30. Imre Bárány: Erdős-Szekeres theorem for k-flats
May 7. Chaya Keller: Multicolour Ramsey Numbers and Subset-Colouring of Hypergraphs
May 14. Balázs Keszegh: On tangencies among planar curves
May 21. 4.00: Károly Bezdek: More on contact numbers of unit sphere packings

June 8. Part of Round the World Relay in Combinatorics: 1.00: László Lovász: TBA
June 11. András Bezdek: Seperating circles with polygonal tilings












Previous semesters:

Fall 2020 Spring 2020 Fall 2019 Spring 2019 Fall 2018 Spring 2018 Fall 2017 Spring 2017 Fall 2016 Spring 2016, Fall 2015