- 2019-08-27 – Jozsef Balogh (UIUC) – Jozsi’s favourite problems
- 2019-09-03 – Souktik Roy (UIUC) – A proof of the Sensitivity conjecture by Huang
- 2019-09-10 – Adam Wagner (ETH) – Adam’s favourite problems
- 2019-09-17 – Ruth Luo (UCSD) – Induced Turan problems for hypergraphs by Luo and Furedi
- 2019-09-24 – Caroline Terry (UIC) – (Joint with Logic seminar) Speeds of hereditary properties an mutual algebricity
- 2019-10-01 – Yifan Jing (UIUC) – Improved bounds for the sunflower lemma by Alweiss, Lovett, Wu, and Zhang, I
- 2019-10-08 – Yifan Jing (UIUC) – Improved bounds for the sunflower lemma by Alweiss, Lovett, Wu, and Zhang, II
- 2019-10-15 – Zilin Jiang (MIT) – Packings and Coverings
- 2019-10-22 – Lina Li (UIUC) – Multicolor Ramsey numbers via pseudorandom graphs by He and Wigderson
- 2019-10-29 – Andrew Treglown (University of Birmingham) – Andrew’s favourite problems
- 2019-11-05 – Souktik Roy (UIUC) – Turan number of bipartite graphs with no K_{t,t} by Sudakov and Tomon
- 2019-11-12 – Yifan Jing (UIUC) – Thresholds versus fractional expectation-thresholds by Frankston, Kahn, Narayanan, and Park
- 2019-11-19 – William Linz (UIUC) – Triangle-intersecting families of graphs by Filmus and Friedgut
- 2019-11-26 – Thanksgiving Break
- 2019-12-03 – Emily Heath (UIUC) – Local properties in colored graphs, distinct distances, and difference sets by Pohoata and Sheffer
- 2019-12-10 – Lina Li (UIUC) – Independent sets in the hypercube revisited by Jenssen and Perkins
