On July 13, 2023, the Open Symposium at the Discrete Mathematics Group was held. There were four talks by the members of the Discrete Mathematics Group.
| 9:40-10:05 | Obstructions for dense analogs of tree-depth | Sang-il OUM |
| 10:05-10:20 | Structural and extremal results for twin-width | Kevin HENDREY |
| 10:20-10:35 | Down-sets in combinatorial posets | Rutger CAMPBELL |
| 10:35-10:50 | Reuniting 𝜒-boundedness with polynomial 𝜒-boundedness | Linda COOK |