Sang-il Oum (엄상일)

Professor, Dept. of Mathematical Sciences, KAIST

291 Daehak-ro Yuseong-gu Daejeon 34141 South Korea
Email: after sangil@
Office: Room 3403 located at the 3rd floor of the building E6-1

Ph.D. from Princeton Univeristy, 2005. Advisor: Paul Seymour.
B.S. from KAIST, 1998. Visiting Assistant Professor at Georgia Institute of Technology, 2005-2006. Postdoctoral fellow at University of Waterloo, 2007. KAIST since 2008. Affiliate Professor of KIAS since 2015.

Mathematical Interests

Graph Theory, Matroid Theory, Combinatorics, Combinatorial Optimization, Graph Algorithms. Structural Graph Theory, Width Parameters, etc.

Post-doctoral positions at KAIST

If you are interested in becoming a post-doctoral researcher working with me, then please contact me. You can also send me 1) your cover letter, 2) CV, 3) research statement, and 4) arrange at least 2 letters of recommendations sent to my email. (By regulation, you should have your Ph.D. degree ready on the first day of your work.— The Ph.D. defense is not enough.)

For students interested in being a graduate student, please visit the website of KAIST office of admissions.

KAIST Discrete Math Seminar

I am organizing the KAIST Discrete Math Seminar. I strongly encourage everyone including students interested in discrete mathematics to attend this seminar and subscribe the mailing list.


Robert Brignall, Hojin ChoiIlkyoo Choi, Suyoung Choi, Maria Chudnovsky, Bruno Courcelle, Reinhard Diestel, Katherine Edwards, Fedor V. FominTomáš Gavenčiak, Jim Geelen, Georg Gottlob, Illya V. Hicks, Petr Hliněný, Tony Huynh, Jisu JeongDong Yeap Kang, Eunjung Kim, Jaehoon Kim, Ringi Kim, Sang-hyun Kim, Younjin Kim, Andrew D. King, Daniel Kráľ, Stephan KreutzerO-joung Kwon, Choongbum Lee, Joonkyung Lee, Sang June Lee, Chun-Hung Liu, Mikiya Masuda, Patrice Ossona de MendezChristophe Paul, Ignasi Sau, Sigve Hortemo Sæther, Detlef Seese, Dimitrios M. ThilikosPaul Seymour, Dominic van der Zypen, Martin Vatshelle,  Maryam Verdian-Rizi, Paul WollanDavid R. Wood.

Curriculum Vitae