The Department of Mathematics Education at Seoul National University hosted the fifth edition of "SNU international symposium on Mathematics Education" on November 8th, 2025. The symposium featured the combinatorics and topology, with emphasis on their role of "connections" interpreted in a broad sense. The symposium brought together experts in combinatorics and topology and foster insightful discussions and academic exchange. To encourage wide participation, the talks were designed to be highly accessible, making the event an excellent opportunity for undergraduate students, graduate students, and prospective teachers.

• Jaehoon Kim (KAIST)

• Eunjeong Lee  (Chungbuk National University)  

• Jaeseong Oh (Sungkyunkwan University)

• Priyam Patel (University of Utah) - online

To register, please fill the application form [here] before Nov 2nd, 2025.

09:25 - 09:30 | Opening remark by Oh Nam Kwon (Seoul National University)

09:30 - 10:30 | Priyam Patel
"From Foundations to Frontiers: How Point Set Topology and Combinatorics Shape Modern Research in Geometry" 

10:40 - 11:40 | Jaeseong Oh
"Sign-reversing involutions in algebraic combinatorics"

11:40 - 12:50 | Lunch

12:50 - 13:00 | Group photo

13:00 - 14:00 | Jaehoon Kim
"An introduction to extremal graph theory"

14:10 - 15:10 | Eunjeong Lee  
"An invitation to toric manifolds"

15:20 - 16:40 | Panel Discussion

Boram Park (Seoul National University)

Sanghoon Kwak (Seoul National University)