Seog-Jin Kim from Konkuk University presented a talk at Discrete Math Seminar on January 28, 2019. The title of his talk was “Signed colouring and list colouring of k-chromatic graphs.”

## 2019-1 IBS Workshop on Graph Theory (Feb. 11-12, 2019). Registration due: Jan. 28

The Discrete Mathematics Group (DIMAG) at the Institute for Basic Science (IBS) will have its first workshop in Feb. 11-12, 2019. If you want to participate, then please register by January 28 on the website. We plan to provide accommodation for speakers and selected participants requested during the online registration.

- Title: 2019-1 IBS Workshop on Graph Theory
- Location: IBS, 2nd Floor of the Theory Building, Room B232 (Daejeon)
- Website: https://dimag.ibs.re.kr/event/2019-1-graph-theory/
- Organizer: Sang-il Oum, Younjin Kim

## Eun Jung Kim gave a talk on her recent work on the parametrized complexity on January 4

Eun Jung Kim (김은정) from LAMSADE, CNRS, Paris gave a talk at Discrete Math Seminar on January 4, 2019. The title of her talk was “New algorithm for multiway cut guided by strong min-max duality”.

## Joonkyung Lee presented his work on Sidorenko’s conjecture on January 3

Joonkyung Lee (이준경) from University of Hamburg gave a talk at Discrete Math Seminar on January 3, 2019. The title of his talk was “Sidorenko’s conjecture for blow-ups”. (This was the first talk at the room B232.)